A group of 5 statistics students receive the following, Ask an Expert

Statistics

A group of 5 statistics students receive the following grades on a test: 81, 74, 62, 92, and 76. An intervention plan is used and the students increased their scores on a retest to: 85, 79, 75, 95 and 84. At the 0.05 significance level, is the intervention plan helpful in increasing the grades?

a. State the null and alternate hypotheses

Ho : H1:

b.State the decision rule.

c. Compute the value of the test statistic.

d. Estimate the p-value.

e. What is your decision regarding the null hypothesis? Interpret the result.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91013534

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

How can i describe the relationship between diversifiable

How can I describe the relationship between diversifiable risk and total risk, along with the role of Beta?

Assume that from a random sample of 18 trees a researcher

Assume that from a random sample of 18 trees a researcher found that the average height of the trees was 4.3 meters with a standard deviation of 0.25 meters. Assume that the distribution of the heights of these trees is ...

In a pre-election poll a candidate for district attorney

In a pre-election poll, a candidate for district attorney receives 379 of 750 votes. Assuming that the people polled represent a random sample of the voting population, test the claim that a majority of voters support th ...

The interest rate on one-year treasury bonds is 1 the rate

The interest rate on one-year treasury bonds is 1%, the rate on two-year treasury bonds is 0.9%, and the rate on three-year treasury bonds is 0.8%. Using the expectations theory, compute the expected one-year interest ra ...

Kevin knows that the beta of his portfolio is equal to 1

Kevin knows that the beta of his portfolio is equal to 1, but he does not know the risk-free rate of return or the market risk premium. He also knows that the expected return on the market is 8.25 percent. What is the ex ...

What is a financial and economic issue in the healthcare

What is a financial and economic issue in the healthcare industry?

42 credit card holders are selected at random for each

42 credit card holders are selected at random. For each, their current credit card balance is recorded. The average for these 42 people is = $600. Assume that the current balance of all credit card holders follows a norm ...

A researcher reports that the size of an effect in

A researcher reports that the size of an effect in Population A is d = 0.10 and the effect size in Population B is d = 0.34. Which population is associated with greater power to detect an effect? A) Population A B) Popul ...

What are financial ratios commonly used in quantitative

What are financial ratios commonly used in quantitative models of debt ratings? List THREE financial ratios that represent three different factors and explain why these ratios can capture the company's ability to meet it ...

A running shoe company wants to sponsor the fastest 3 of

A running shoe company wants to sponsor the fastest 3% of runners. You know that in this race, the running times are normally distributed with a mean of 6.8 minutes and a standard deviation of 0.37 minutes. How fast woul ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert