Question

Every year students at a high school take a physical fitness test during their gym classes....

Every year students at a high school take a physical fitness test during their gym classes. One component of the test asks them to do as many​ push-ups as they can. Results for one class are shown​ below, according to gender. Assuming that students are assigned to gym classes at​ random, create a​ 90% confidence interval for how many more​ push-ups boys can do than​ girls, on​ average, at that high school.

Boys 16 28 30 17 23 31 27 21 23 14 10 35

Girls 25 8 15 17 3 16 19 26 10 27 30 8

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Every year students at a high school take a physical fitness test during their gym classes....
Every year students at a high school take a physical fitness test during their gym classes. One component of the test asks them to do as many​ push-ups as they can. Results for one class are shown​ below, according to gender. Assuming that students are assigned to gym classes at​ random, create a​ 90% confidence interval for how many more​ push-ups boys can do than​ girls, on​ average, at that high school. Boys   Girls 18   23 29   6 32   15...
a physical fitness association is including the mile run in its high school fitness test. the...
a physical fitness association is including the mile run in its high school fitness test. the times for high school boys in this event are known to be normally distributed. it is also known that the approximate middle 95% of boys will finish the run with times between 5 minutes 35 seconds and 10 minutes 5 seconds. 1. decide from this the mean mile run times for high school boys? 2. decide from this the approximate standard deviation of mile...
Drew wondered if the average age of students in AP Statistics classes in his high school...
Drew wondered if the average age of students in AP Statistics classes in his high school is under 18. He randomly selected 10 AP Statistics students in his school and the data set is given below. Using the information from a previous survey, he has concluded that the population standard deviation for the age of AP Statistics students in his school is 1.23. Assume that the ages of students in AP Statistics classes in this high school are normally distributed....
An experiment was conducted to test the susceptibility of high school juniors to peer pressure. 20...
An experiment was conducted to test the susceptibility of high school juniors to peer pressure. 20 boys and 20 girls were chosen at random. 10 juniors of each gender were assigned to an experimental group, and the other 10 of each gender to a control group. Each student was asked to estimate the length of the line projected on the screen, relative to a reference line, which was projected a foot below. In the experimental group, for "stooges" (the experimenter’s...
According to the U.S. Department of Health, 16-year-old males in the USA can do µ =...
According to the U.S. Department of Health, 16-year-old males in the USA can do µ = 23 push-ups* . A phys ed instructor wants to determine if the fitness program in his school makes his students stronger. He randomly selects thirty 16-year-old males from his school and finds they can do M = 28 push-ups, with s = 10. Does the fitness program at the PE instructor's school have an effect on his students' strength, compared to 16-year-old males nationally?...
18) High School Band ~ In most US high schools, students can play an instrument in...
18) High School Band ~ In most US high schools, students can play an instrument in three types of bands. A random sample of high school band students was taken and the results are summarized in the table below. Band type Instrument type Woodwind Brass Percussion Concert 31 25 8 Jazz 10 16 10 Marching 65 54 27 To assess whether there is a relationship between band type and instrument type, we conduct an appropriate hypothesis test. Note: Observed counts...
High School Band: In most US high schools, students can play an instrument in three types...
High School Band: In most US high schools, students can play an instrument in three types of bands. A random sample of high school band students was taken and the results are summarized in the table below. Round all answers to 4 decimal points. Band Type Woodwind Brass Percussion Concert 31 25 8 Jazz 10 16 10 Marching 65 65 27 a. Assuming there is no relationship between band type and instrument type, what is the expected value for concert...
A sample of 100 students from 9th grades at AA High School can do an average...
A sample of 100 students from 9th grades at AA High School can do an average of 11.5 pull-ups (chin-ups) in 30 seconds, with standard deviation of 3.162. The US Department of Health and Human Services suggests 9th grades should do a minimum of 9 pull-ups in 30 seconds. Are the 9th graders at AA High School able to do significantly more pull-ups than the number recommended by the US Department of Health and Human Services? Using this information, answer...
Twenty-five students from Harry High School were accepted at Magic University. Of those students, 10 were...
Twenty-five students from Harry High School were accepted at Magic University. Of those students, 10 were offered athletic scholarships and 15 were not. Mrs. Hermione believes Magic University may be accepting people with lower ACT scores if they are athletes. The newly accepted student ACT scores are shown here. Athletic scholarship: 16, 24, 20, 25, 24, 23, 21, 22, 20, 20 No athletic scholarship: 23, 25, 26, 30, 32, 26, 28, 29, 26, 27, 29, 27, 22, 24, 25 Part...
High School Band ~ In most US high schools, students can play an instrument in three...
High School Band ~ In most US high schools, students can play an instrument in three types of bands. A random sample of high school band students was taken and the results are summarized in the table below. Band type Instrument type Woodwind Brass Percussion Concert 31 25 19 Jazz 10 16 10 Marching 65 65 27 To assess whether there is a relationship between band type and instrument type, we conduct an appropriate hypothesis test. Note: Observed counts are...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT