QU College Students Studying Hours Percentile Rank & Percentage Discussion

1. A survey of college students  was conducted during the first week of the Fall semester to determine the number of minutes spent studying in the first week. The mean number of minutes was 50 with a standard deviation of 20 minutes. The distribution was normal.Fill in the blank: The percentage of students who studied more than 75 minutes in the first week would be _____ percent [insert a whole number into the blank].

1 points   

QUESTION 2

1. [Same scenario as the question above] A survey of college students was conducted during the first week of the Fall semester to determine the number of minutes spent studying in the first week. The mean number of minutes was 50 with a standard deviation of 20 minutes. The distribution was normal.Fill in the blank: The percentage of students who studied between 30 minutes and 75 minutes in the first week would be _____ percent [insert a whole number into the blank].

2 points   

QUESTION 3

1. [Same scenario as the question above] A survey of college students was conducted during the first week of the Fall semester to determine the number of minutes spent studying in the first week. The mean number of minutes was 50 with a standard deviation of 20 minutes. The distribution was normal.Fill in the blank: The percentile rank for a student who studies 80 minutes in the first week would be _____ [insert a whole number into the blank].

2 points   

QUESTION 4

1. Scenario 2: A survey of medical school students was completed in 2016 to determine their current levels of stress using the Stress in General Scale, which has 15 items measured on a Likert-type response scale from 1 = strongly disagree to 7 = strongly agree. The mean stress level was 4.25 with a standard deviation of 1.10. The distribution was normal.Fill in the blank: The percentage of medical students who have a stress score of 3 or higher would be equal to ______ percent [please enter a whole number in the blank].

1 points   

QUESTION 5

1. [Same Scenario as previous question]: A survey of medical school students was completed in 2016 to determine their current levels of stress using the Stress in General Scale, which has 15 items measured on a Likert-type response scale from 1 = strongly disagree to 7 = strongly agree. The mean stress level was 4.25 with a standard deviation of 1.10. The distribution was normal.Fill in the blank: The percentile rank of a medical students who has a stress score of 2 would be equal to ______ [please enter a whole number in the blank].

2 points   

QUESTION 6

1. [Same Scenario as previous question]: A survey of medical school students was completed in 2016 to determine their current levels of stress using the Stress in General Scale, which has 15 items measured on a Likert-type response scale from 1 = strongly disagree to 7 = strongly agree. The mean stress level was 4.25 with a standard deviation of 1.10. The distribution was normal.Fill in the blank: A medical student with a percentile rank of 40% would have a stress score equal to ______ [please enter a whole number in the blank].