subject
Mathematics, 25.02.2020 06:58 Sadiecoyle37

Reagan scored 1140 on the SAT. The distribution of SAT scores in a reference population is normally distributed with mean 1000 and standard deviation 100. Jessie scored 30 on the ACT. The distribution of ACT scores in a reference population is normally distributed with mean 17 and standard deviation 5. Who performed better on the standardized exams and why?

A. Reagan scored higher than Jessie. Reagan's score was 1140, which is greater than Jessie's score of 30.
B. Reagan scored higher than Jessie. Reagan's standardized score was 1.4, which is 1.4 standard deviations above the mean, but closer to the mean than Jessie's standardized score of 2.6 standard deviations above the mean.
Reagan scored higher than Jessie. Reagan's score was 140 points above the mean of 1000, and Jessie's was 13 points above the mean of 17.
C. Jessie scored higher than Reagan. Jessie's standardized score was 2.6, which is 2.6 standard deviations above the mean and Reagan's standardized score was 1.4, which is 1.4 standard deviations above the mean.
D. Jessie scored higher than Reagan. Jessie is only 6 points from the top score of 36 on the ACT, and Reagan is 460 points from the top score of 1600 on the SAT.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 21:00
Glenda makes an online purchase for picture frames for $12.95 each and formats of $5.89 each the site says it taxes paid by the customer or 6.5% of the total purchase price shipping charges are based on the
Answers: 1
question
Mathematics, 21.06.2019 23:00
700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?
Answers: 1
question
Mathematics, 21.06.2019 23:00
Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect
Answers: 1
question
Mathematics, 21.06.2019 23:40
The function f(x)= -(x+5)(x+1) is down. what is the range of the function?
Answers: 3
You know the right answer?
Reagan scored 1140 on the SAT. The distribution of SAT scores in a reference population is normally...
Questions
question
English, 21.05.2021 01:00
question
English, 21.05.2021 01:00
question
Mathematics, 21.05.2021 01:00
question
Mathematics, 21.05.2021 01:00
question
History, 21.05.2021 01:00