Mathematics, 12.03.2020 00:04, Hcalhoun21
A certain test preparation course is designed to help students improve their scores on the LSAT 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 6 students' scores on the exam after completing the course: 6,16,19,12,15,14 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 1 of 4 : Calculate the sample mean for the given sample data. Round your answer to one decimal place.
Answers: 1
Mathematics, 21.06.2019 15:30, Reese7977
Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.
Answers: 3
A certain test preparation course is designed to help students improve their scores on the LSAT exam...
Computers and Technology, 23.11.2020 06:00
Chemistry, 23.11.2020 06:00
English, 23.11.2020 06:00
English, 23.11.2020 06:00
English, 23.11.2020 06:00
Geography, 23.11.2020 06:00
Mathematics, 23.11.2020 06:00
English, 23.11.2020 06:00
English, 23.11.2020 06:00