#13.
Test statistic,
t = (xbar - mu)/(s/sqrt(n))
t = (18.7 - 20)/(3.4/sqrt(30))
t = -2.094
P-value Approach
P-value = 0.0226
#14.
Test statistic,
t = (xbar - mu)/(s/sqrt(n))
t = (2.7 - 0)/(5.4/sqrt(33))
t = 2.872
P-value Approach
P-value = 0.0036
Question 13 Dean Halverson recently read that full-time college students study 20 hours Type numbers in...
Question 13 Dean Halverson recently read that full-time college students study 20 hours Type numbers in the boxes. each week. She decides to do a study at her university to see if there is 10 points evidence that students study an average of more than 20 hours each week. A random sample of 32 students were asked to keep a diary of their activities over a period of several weeks. It was found that the average number of hours that...
Question 13 Dean Halverson recently read that full-time college students study 20 hours Type numbers in the boxes. each week. She decides to do a study at her university to see if there is 10 points evidence that students study an average of less than 20 hours each week. A random sample of 32 students were asked to keep a diary of their activities over a period of several weeks. It was found that he average number of hours that...
Question 13 Dean Halverson recently read that full-time college students study 20 hours Type numbers in the boxes. each week. She decides to do a study at her university to see if there is 10 points evidence that students study an average of more than 20 hours each week. A random sample of 31 students were asked to keep a diary of their activities over a period of several weeks. It was found that the average number of hours that...
Question 13 Dean Halverson recently read that full-time college students study 20 hours Type numbers in the boxes. each week. She decides to do a study at her university to see if there is 10 points evidence that students study an average of less than 20 hours each week. A random sample of 30 students were asked to keep a diary of their activities over a period of several weeks. It was found that he average number of hours that...
Question 13 Dean Halverson recently read that full-time college students study 20 hours Type numbers in the boxes. each week. She decides to do a study at her university to see if there is 10 points evidence that students study an average of less than 20 hours each week. A random sample of 31 students were asked to keep a diary of their activities over a period of several weeks. It was found that he average number of hours that...
Question 13 Dean Halverson recently read that full-time college students study 20 hours Type numbers in the boxes. each week. She decides to do a study at her university to see if there is 10 points evidence to show that this is not true at her university. A random sample of 34 students were asked to keep a diary of their activities over a period of several weeks. It was found that the average number of hours that the 34...
Question 13 Dean Halverson recently read that full-time college students study 20 hours Type numbers in the boxes. each week. She decides to do a study at her university to see if there is evidence to show that this is not true at her university. A random sample of 30 students were asked to keep a diary of their activities over a period of several weeks. It was found that the average number of hours that the 30 students studied...
Question 5 Dean Halverson recently read that full-time college students study 20 hours Type numbers in the each week. She decides to do a study at her university to see if there is boxes. evidence to show that this is not true at her university. A random sample of 32 to points students were asked to keep a diary of their activities over a period of several weeks. It was found that the average number of hours that the 32...
Dean Halverson recently read that full-time college students study 20 hours each week. She decides to do a study at her university to see if there is evidence that students study an average of more than 20 hours each week. A random sample of 30 students were asked to keep a diary of their activities over a period of several weeks. It was found that the average number of hours that the 30 students studied each week was 21.6 hours....
Dean Halverson recently read that full-time college students study 20 hours each week. She decides to do a study at her university to see if there is evidence that students study an average of more than 20 hours each week. A random sample of 34 students were asked to keep a diary of their activities over a period of several weeks. It was found that the average number of hours that the 34 students studied each week was 21.5 hours....