Mathematics, 20.04.2020 23:51 melanyrivera776
Students who graduated from college last year owed an average of $25,250 in student loans. An economist wants to determine if average debt has changed. She takes a sample of 40 recent graduates and finds that their average debt is $27,500 with a standard deviation of $9,120. Use 90% confidence interval. Which of the following conclusion is correct?
A. The average debt has not changed.
B. The average debt increased.
C. The average debt decreased.
D. There is not enough information.
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 20:00
If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?
Answers: 1
Mathematics, 22.06.2019 02:00
Th perimeter of a rectangular garden is 150 feet. the length is 50 feet longer than the width, w. which equation could be used to calculate the width of the garden? a.) 2w+ 2(w-50) =150 b.) 2w+50 + 2w =150 c.) 2(w+50) + w =150 d.) 2w+ 2(w + 50) = 150 need asap. will give brainliest !
Answers: 1
Mathematics, 22.06.2019 02:30
6. sarah saved $12.75 every week for a number of weeks, w. she received an additional $25 during the last week in which she saved money. write and solve an equation to find the number of weeks, w, for which sarah had saved money if she has $114.25 now.
Answers: 3
You know the right answer?
Students who graduated from college last year owed an average of $25,250 in student loans. An econom...
Questions
Spanish, 24.04.2020 08:35
Physics, 24.04.2020 08:35
English, 24.04.2020 08:35
Mathematics, 24.04.2020 08:35
Mathematics, 24.04.2020 08:35
Mathematics, 24.04.2020 08:35
English, 24.04.2020 08:35
Chemistry, 24.04.2020 08:35
English, 24.04.2020 08:36
Mathematics, 24.04.2020 08:36
World Languages, 24.04.2020 08:36
Mathematics, 24.04.2020 08:36
Physics, 24.04.2020 08:36
Chemistry, 24.04.2020 08:36
