Mathematics, 18.03.2021 01:50 Hellokittyjam35

The group of 23 bully-victims scored an average of 40.1 with a sample standard deviation of 10 on the depression scale. The group of 28 bystanders scored an average of 46.8 with a sample standard deviation of 11 on the same scale. You do not have any presupposed assumptions about whether bully-victims or bystanders will be more depressed, so you formulate the null and alternative hypotheses as:

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 20:00, myparentsrock17

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

Answers: 1

continue

Mathematics, 21.06.2019 23:30, ashiteru123

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january. what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed. use 3.14 for π .

Answers: 1

continue

Mathematics, 22.06.2019 01:00, kat1357

You have just applied, and have been approved for a $58,000 mortgage. the rate quoted to you by the lender is 6.1% for a 30 year fixed mortgage. determine how much of your third month’s payment goes towards the principal. $56.65 $56.93 $57.22 $57.51

Answers: 2

continue

Mathematics, 22.06.2019 01:20, GreenHerbz206

Given: δabc, m∠1=m∠2, d∈ ac bd = dc m∠bdc = 100º find: m∠a m∠b, m∠c

Answers: 2

continue

You know the right answer?

The group of 23 bully-victims scored an average of 40.1 with a sample standard deviation of 10 on th...