Mathematics, 25.07.2019 03:10, AleOfficial101

It is claimed that 10 year old boys and girls both have the same average height (52 inches). a researcher studies 65 boys and finds that their average height is 50.8 with a variance of 98. the 111 girls in the study had an average height of 54.1 with a variance of 123. construct a 95% confidence interval for the difference in the heights of 10 year old boys and girls based on these samples. does the confidence interval support the claim that 10 year old boys and girls have the same average height?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 15:30, fooligan3448

The local farm is advertising a special on fresh picked peaches. the farm charges $4.25 to pick your own peck of peaches and $3.50 for each additional peck you pick. write an equation for the total cost of peaches in terms of the number of pecks. deine your variables. how much does it cost to pick 3 pecks of peaches?

Answers: 3

continue

Mathematics, 21.06.2019 16:00, aliceohern

If f(x)= 3x+6 which of the following is the inverse of f(x)

Answers: 2

continue

Mathematics, 21.06.2019 16:40, ggujjnh

Which of the following statement about pascal's triangle are true?

Answers: 1

continue

Mathematics, 21.06.2019 20:30, marahkotelman

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?