identify the sample and population. also, dtermine wheteher the sample is likely to be representative of...
identify the sample and population. also, dtermine wheteher the sample is likely to be representative of the popoulation. A study is interested in whether men and women are equally likely to vote democratic, republican, or independent or not vote in a presidential election. resutls were polled through a popular news website.
Homework Answers
The sample is news website voters.
The population is all men and women who vote.
The sample is likely to be representative of the population because the news website voters are from the same population of the voters.
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identify the sample and population. also, dtermine wheteher the
sample is likely to be representative of...
Forbes reports that women trust recommendations from Pinterest gender? The following sample data shew the number...
Forbes reports that women trust recommendations from Pinterest gender? The following sample data shew the number of women and men who stated in a recent semple that they trust recommendations more than recommendations from any other social network platform (Forbes website, April 10, 2012 ). But, does trust in Pinterest difter by recommendations made on Pinterest Men 170 Trust Recommendations Made on Pinterest 117102 Women 150 Sample a. What is the point s the point estimate of the proportion of...
Identify population and sample for each of the following research questions: 1) The effect of smoking...
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QUESTION 1 College students Suppose a recent study of 1,000 college students in the U.S. found...
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Sample, Population, Statistic, and Range of Values. For each study below, identify the sample used, the...
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1. 2. 3. 4. A sample of human brain volumes (cm) is given below. Use...
1.
2.
3.
4.
A sample of human brain volumes (cm) is given below. Use the given data values to identify the corresponding z scores that are used for a normal quantile plot, then identify the coordinates of each point in the normal quantile plot. Construct the normal quantile plot, then determine whether the data appear to be from a population with a normal distribution. 1063 1028 1040 1078 1444 1070 969 1078 List the z scores for the...
Some of them I did but if you can double check if it’s correct thanks! A...
Some of them I did but if you can double check if it’s correct
thanks!
A veterinarian is interested in determining the average weight loss in dogs when placed on a new low-calorie diet. She takes a random sample of 10 dogs out of the 50 dogs in her clinic that are on this special diet, and determines that their average weightloss is about 1.7 kg. Unbeknownst to her, the average weight loss for all the dogs on this diet...
Forbes reports that women trust recommendations from Pinterest gender? The following sample data shew the number of women and men who stated in a recent semple that they trust recommendations more than recommendations from any other social network platform (Forbes website, April 10, 2012 ). But, does trust in Pinterest difter by recommendations made on Pinterest Men 170 Trust Recommendations Made on Pinterest 117102 Women 150 Sample a. What is the point s the point estimate of the proportion of...
QUESTION 1 College students Suppose a recent study of 1,000 college students in the U.S. found that 8% of them do not use Facebook. Which of the following describes the population for this example? 1. All college students in the U.S. 2. The 1,000 college students who participated in the study, 3. All college students in the U.S. who do not use Facebook 4. The 8% of college students who do not use Facebook. QUESTION 2 Suppose you want to...
The director of student services at Oxnard College is interested in whether women are less likely to attend orientation than men before they begin their coursework. A random sample of freshmen at Oxnard College were asked what their gender is and whether they attended orientation. The results of the survey are shown below: Data for Gender vs. Orientation Attendance Women Men Yes 456 493 No 204 197 What can be concluded at the a = 0.05 level of significance? For...
1.
2.
3.
4.
A sample of human brain volumes (cm) is given below. Use the given data values to identify the corresponding z scores that are used for a normal quantile plot, then identify the coordinates of each point in the normal quantile plot. Construct the normal quantile plot, then determine whether the data appear to be from a population with a normal distribution. 1063 1028 1040 1078 1444 1070 969 1078 List the z scores for the...
Some of them I did but if you can double check if it’s correct
thanks!
A veterinarian is interested in determining the average weight loss in dogs when placed on a new low-calorie diet. She takes a random sample of 10 dogs out of the 50 dogs in her clinic that are on this special diet, and determines that their average weightloss is about 1.7 kg. Unbeknownst to her, the average weight loss for all the dogs on this diet...
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