Mathematics
Mathematics, 22.02.2021 20:20, rach1314

A certain test preparation course is designed to help students improve their scores on the GMAT exam. A mock exam is given at the beginning and end of the course to determine the effectiveness of the course. The following measurements are the net change in 5 students' scores on the exam after completing the course: 14,29,24,10,17 Using these data, construct a 90% confidence interval for the average net change in a student's score after completing the course. Assume the population is approximately normal. Step 3 of 4 : Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places.

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 20:00, stonerbabyy
Someone answer asap for ! the boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a. e = 2b - 212 b. b = 2e - 212 c. e = -2b + 212 d. b = -2e + 212
Answers: 1
image
Mathematics, 21.06.2019 20:30, Lilshawn1
Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?
Answers: 1
image
Mathematics, 22.06.2019 00:20, dondre54
In the next 10 years, how do you think hipaa guidelines will affect the roles, responsibilities and tools of a medical transcriptionist
Answers: 1
image
Mathematics, 22.06.2019 01:30, mmczora22
Determine if the solution set for the system of equations shown is the empty set, contains one point or is infinite. x + y = 5 x + y = 7 {} 1 solution infinite
Answers: 1
Do you know the correct answer?
A certain test preparation course is designed to help students improve their scores on the GMAT exam...

Questions in other subjects: