Mathematics, 20.10.2019 14:20 audriexpress
Aprofessor would like to test the hypothesis that the average number of minutes that a student needs to complete a statistics exam has a standard deviation that is less than 5.0 minutes. a random sample of 15 students was selected and the sample standard deviation for the time needed to complete the exam was found to be 4.0 minutes. what would be the number of degrees of freedom for this hypothesis test? a. 16 b. 15 c. 13 d. 14
Answers: 3
Mathematics, 21.06.2019 19:00
Will give brainliest plz hurry lexie surveyed 4 teenagers to find out approximately how many hours, per week, they read for fun, and how many siblings they have. brooke said she reads about 10 h a week for fun, and that she has 5 siblings. celia said she has 1 brother and 1 sister and reads for fun about 3 h each week. henry said he has 2 brothers and reads for fun about 30 min each week. jude said he doesn't read for fun and has 3 brothers and 3 sisters. use this information to complete the data table. express your answers as whole numbers or decimals. name hours of fun number of siblings brooke celia __ henry jude
Answers: 2
Mathematics, 22.06.2019 02:20
What are the solutions of the equation x4 – 5x2 – 14 = 0? use factoring to solve. someone !
Answers: 2
Aprofessor would like to test the hypothesis that the average number of minutes that a student needs...
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