Case 1:
A survey of 2,104 households in the United States found that 65% of them subscribe to cable
television. The survey also found that the households without Internet connection are twice more likely to subscribe to a daily newspaper than the households with Internet connection. The
households with Internet connection often get their news from Web sites instead of daily
newspapers.
Questions:
1. Identify the population and the sample for the survey.
2. Of the 2,104 households surveyed, how many households subscribe to cable television?
3. A follow-up survey of a sample of 1,200 U.S. households found that 360 households have
high-speed Internet connection. What does the number 360 represent?
4. Which statement in the given data represents the descriptive branch of statistics?
5. Which statement in the given data represents the inferential branch of statistics?
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1. The population consists of the survey responses of the households in the United States that subscribe to cable television. The sample of this survey consists of the responses of the 2,104 households in the United States.
ReplyDelete2. According to the survey, 65%, or 1368 of the households subscribed to cable television.
3. The number 360 corresponds to the amount of households that have high-speed Internet which represents the data sets of the population and sample provided.
4. The descriptive branch of statistics refers to the statements of 2,104 households”, “United States”,”65% of them subscribe to cable television”
5. The inferential branch of statistics refers to the statement that house households without Internet connection are twice more likely to subscribe to a daily newspaper than the households with Internet connection. This found that about 35% of the study did not have cable connection, which would probably result in them more than likely funding the newspaper publications as opposed to an Internet Service Provider.
1. Identify the population and the sample for the survey.
ReplyDeleteAnswer:
A survey of 2,104 households in the United States found that 65% of them subscribe to cable television.
2. Of the 2,104 households surveyed, how many households subscribe to cable television?
Answer:
65% of the households subscribe to cable television.
3. A follow-up survey of a sample of 1,200 U.S. households found that 360 households have
high-speed Internet connection. What does the number 360 represent?
Answer:
360 households of the 1,200 households in the sample.
4. Which statement in the given data represents the descriptive branch of statistics?
Answer:
The survey also found that the households without Internet connection are twice more likely to subscribe to a daily newspaper than the households with Internet connection.
5. Which statement in the given data represents the inferential branch of statistics?
Answer:
The households with Internet connection often get their news from Web sites instead of daily
newspapers.
test karolyn
ReplyDeleteKarolyn Munster
ReplyDelete1.)population- households in the united states
sample-2,104 households in the united states
2.)65% or 1367.6 people
3.)The number 360 represents a parameter.
4) Descriptive statistic statement- A survey of 2,104 households in the United States found that 65% of them subscribe to cable television. The survey also found that the households without Internet connection are twice more likely to subscribe to a daily newspaper than the households with Internet connection.
5.)Inferential statistic statement-The
households with Internet connection often get their news from Web sites instead of daily
newspapers.
1) The population of the survey is the 2,104 households in the United States.
ReplyDelete2) Of the 2,104 households, 65% of them subscribe to cable television, which is 1367.6 of the 2,104.
3) The 360 represents a parameter.
4) Organization: Households in the United States
Summarization: 65% of the 2,104 households subscribe to cable television.
5) The households with Internet connection often get their news from Web sites instead of daily newspaper.
Case Study 1
ReplyDelete1. Identify the population and the sample for the survey.
The population of the study is the collection of all outcomes, response, measurements or counts that are of interest. So the population is 2,104. A sample is a subset of the population so in this case a sample would be 65%.
2. Of the 2,104 households surveyed, how many households subscribe to cable television?
65% of the population of the survey subscribe to cable so 2,104 x .65 = 1,367.6.
3. A follow-up survey of a sample of 1,200 U.S. households found that 360 households have
high-speed Internet connection. What does the number 360 represent?
It is a sample of the 1,200 of the population of the survey.
4. Which statement in the given data represents the descriptive branch of statistics?
A survey of 2,104 households in the United States found that 65% of them subscribe to cable
television.
5. Which statement in the given data represents the inferential branch of statistics?
The survey also found that the households without Internet connection are twice more likely to subscribe to a daily newspaper than the households with Internet connection.
1. The population in the survey consists of people that may or may not have cable television.
ReplyDelete2. Of all the households there are 65% or 1368 houses that have cable television.
3. The number 360 is the number of households out of 1,200 that have high speed internet, which is about thirty percent. This is called a perameter.
4. The descriptive branch in this case refers to the 2,104 households the United States, and the 65% of the 2,104 households that have cable television.
5. The inferential statistics in this case is the households with Internet connection often get their news from Web sites instead of daily
newspapers.
1. A survey of 2,104 households in the United States and the number of them that subscribe to cable television. 2,104 households.
ReplyDelete2. 65% subscribe to cable.
3. A sample of 1,200 U.S. households found that 360 households have
high-speed Internet connection. 360 is a Data set of a population of 1200 households and the sample is 360.
4. The statement of 2,104 U.S. households, 65% subscribe to cable is descriptive.
5. Households without Internet connection are twice more likely to subscribe to a daily newspaper than the households with Internet connection. The households with Internet connection often get their news from Web sites instead of daily
newspapers. 35% were found to not have cable subscriptions and so were more likely to have a newspaper subscription is a probability because there is no determined fact that they do have any newspaper at all.
John Drake
ReplyDelete1. The Population is households in the United States, The sample is 2,104 of those households.
2. 1,367.6 houses subscribe to cable.
3. 360 represents the ammount of the houses in the sample that have high speed internet.
4. every thing that refers to what the numbers mean.
5. the statement that houses with internet get there news from the web.
Mel Bailey
ReplyDeleteCase 1:
A survey of 2,104 households in the United States found that 65% of them subscribe to cable
television. The survey also found that the households without Internet connection are twice more likely to subscribe to a daily newspaper than the households with Internet connection. The
households with Internet connection often get their news from Web sites instead of daily
newspapers.
Questions:
1. Identify the population and the sample for the survey.
The population consits of 2,104 households and the sample are cable subscribers.
2. Of the 2,104 households surveyed, how many households subscribe to cable television?
65% or 1367.
3. A follow-up survey of a sample of 1,200 U.S. households found that 360 households have
high-speed Internet connection. What does the number 360 represent?
360 represents a sample which is a subset of a population.
4. Which statement in the given data represents the descriptive branch of statistics?
A survey of 2,104 households in the United States found that 65% of them subscribe to cable
television.
5. Which statement in the given data represents the inferential branch of statistics?
The survey also found that the households without Internet connection are twice more likely to subscribe to a daily newspaper than the households with Internet connection. The
households with Internet connection often get their news from Web sites instead of daily
newspapers.
Evan D.-
ReplyDelete1. The population would be 2,104 households.
2. 1,367 houses have cable
3. Sample
4. A survey of 2,104 households in the U.S. found that 65% of the subscirbe to cable
5. The conclusions reached were that households without internet rely on daily newspapers. the households with internet get their news from websites.
1. The population consists of all households in the United States represented by a survey of 2,104 U.S. households.
ReplyDelete2. 65% of 2,104 is 1,367.6, which is the number of households in the survey who subscribe to cable television.
3. 360 represents 30% of the surveyed households subscribed to high-speed Internet.
4. The first two sentences are the descriptive part of the statement. It states the nuts and bolts of the survey and does not make any inferences as a result of the data.
5. The last sentence draws the inference that households with Internet connections more often use web based news sources rather than print sources; this is the inferential branch.
Tonya Cox
ReplyDelete1. 2,104 households in the United States that subscribe to cable television.
2. 2,103.35 households in the United States subscribe to cable television.
3. Means that 360 households of the 1,200 households, have high-speed internet connection.
4. The descriptive branch is the first sentence: A survey of 2,104 households in the United States found that 65% of them subscribe to cable
television.
5. The Inferential branch is in the second sentence: The survey also found that the households without Internet connection are twice more likely to subscribe to a daily newspaper than the households with Internet connection.
1.
ReplyDeletea) Population: All U.S. households
b) Sample: 2104 U.S. households sampled
2. 1367.6
3. The number 360 represents 30% of the sample, which could be described as the percentage of U.S. households with high-speed Internet, based on a sampling of 1200.
4. “A survey of 2,104 households in the United States found that 65% of them subscribe to cable television.”
5. There are two statements corresponding to two aspects of inferential statistics:
a) “The survey also found that the households without Internet connection are twice more likely to subscribe to a daily newspaper than the households with Internet connection.”
b) “The households with Internet connection often get their news from Web sites instead of daily newspapers.”
1. The population of the survey is households in the U.S. and the sample of the population is 2,104.
ReplyDelete2. Of the 2,104 households surveyed, 65% households subscribe to cable television, which is 1,368 homes.
3. The number 360 represents the number of households that have high-speed internet connection, which is the statistical parameter.
4. The statement in the given data that represents the descriptive branch of statistics is “a survey of 2,104 households in the United States found that 65% of them subscribe to cable television.”
5. The statement in the given data that represents the inferential branch of statistics is “the households with Internet connection of ten get their news form Web sites instead of daily newspapers.
Here are the correct answers to these questions—and rationale for the answers—for your
ReplyDeletereference:
1. The collection of all the households in the United States is the population. The collection of
the 2,104 households surveyed is the sample. Remember, the population is the collection of
all items that are of interest. In this problem, the population is all the households in the
United States and any subset of that population is a sample. Therefore, the 2,104 households
that were surveyed is the sample.
2. 1,368 households subscribe to cable television. This is calculated as 65% of 2,104, where the
answer is rounded to the nearest integer.
3. The number 360 represents a statistic. Whenever you use only part of the population, you are
using a statistic. A statistic is a numerical description of a sample characteristic.
4. The households without Internet connection are twice more likely to subscribe to a daily
newspaper than the households with Internet connection. This statement is a summary of the
data and, therefore, an example of descriptive statistics.
5. The households with Internet connection often get their news from Web sites instead of daily
newspapers. This statement is an example of inferential
1. Identify the population and the sample for the survey.
ReplyDelete2. Of the 2,104 households surveyed, how many households subscribe to cable television?
Answer for ?’S 1 & 2:
Survey of 2,104 households in USA Show that 65% of the US subscribes to cable television.
3. A follow-up survey of a sample of 1,200 U.S. households found that 360 households have
high-speed Internet connection. What does the number 360 represent?
Answer:
360 households of the 1,200 households sampled have high speed internet.
4. Which statement in the given data represents the descriptive branch of statistics?
Answer:
The survey found that the households without Internet connection where more likely to subscribe to a daily newspaper than the households with Internet connection.
5. Which statement in the given data represents the inferential branch of statistics?
Answer:
The households with Internet connection often get their news from Web sites instead of daily newspapers.