kguynn6079 kguynn6079

19-12-2022
Mathematics

Answered

the foot lengths of a random sample of 67 men had a mean of 27 cm and a standard deviation of 2.2 cm, while a random sample of 90 women had a mean foot length of 23.5 cm and a standard deviation of 2.2 cm. compute an approximate 95% confidence interval for the difference between the mean foot lengths of men and women. (round all answers to the nearest tenth.)

Answer :

Other Questions

A simple random sample of 42 men from a normally distributed population results in a standard deviation of 9.6 beats per minute. The normal range of pulse rates

A political analyst was curious if younger adults were becoming more conservative. He decided to see if the mean age of registered Republicans was lower than th

a machine is used to fill bags with a popular brand of trail mix. the machine is calibrated so the distribution of the weights of the bags of trail mix is norma

which of the following is the appropriate indicator to determine if a relationship exists in the population between the independent variable and the dependent v

Question 7 5 pts Which of the following is the interval of convergence of the Maclaurin series of (A)-1

Next (1 point) A quiz consists of 20 multiple-choice questions, each with 6 possible answers. For someone who makes random guesses for all of the answers, find

Question 7 The football coach randomly selected ten players and timed how long each player took to perform a certain drill. The times (in minutes) were: 10.7 6.

Let the function f be continuous and differentiable for all x. Suppose you are given that f(−1)=−3, and that f'(x) for all values of x. Use the Mean Value Theor

A university dean is interested in determining the proportion of students who receive some sort of financial aid: Rather than examine the records for all studen

In a study of government financial aid for college students, it becomes necessary to estimate the percentage of full-time college students who earn a bachelo