There is an intelligence test with a known mean of 100 and standard…
Question Answered step-by-step There is an intelligence test with a known mean of 100 and standard… There is an intelligence test with a known mean of 100 and standard deviation () of 15. Calculate and interpret the 95% confidence interval for the mean of all WVSU students based for each problem. Sample of 70 students, = 101 Sample of 111 students, = 95 Sample of 500 students, = 107 Sample of 25 students, = 104 Sample of 1000 students, = 102 Image transcription textMean = EX = add all scores, divide by N total number of scores 5 =standard deviation of sample X = square each score, add them, Ndivide by total number of scores, subtract squared me… Show more… Show moreI give 10 students a stress scale. Scores range from 0-20. Below are the scores. What is the interval of numbers that can I say with 95% confidence encompass the population mean?X= 18, 15, 15, 9, 7, 19, 20, 2, 7, 15, Calculate , s, , find t,Plug into formula: Confidence interval = + t Math Statistics and Probability CJAD MISC Share QuestionEmailCopy link Comments (0)
