How much juice? Refer to Exercises 3 and 11 .

a. What conclusion would you make at the α=0.10α=0.10level?

b. Would your conclusion from part (a) change if a 5 \% significance level was used instead? Explain your reasoning.

Short Answer

Expert verified

Part (a)There is sufficient convincing evidence that the correct mean volume of liquid is different from 180millilitres.

Part (b)Yes,There is enough convincing evidence that the true mean volume of liquid is different from 180millilitres.

Step by step solution

01

Part (a) Step 1:Given information

α=0.10α=0.10

02

Part (b) Step 2:Explaination

P=0.0589

α=0.10

Given claim is mean is180

The claim is either the null hypothesis or the alternative hypothesis. The null hypothesis statement is that the population proportion is equal to the value given in the claim. If the null hypothesis is the claim, then the alternative hypothesis statement is the opposite of the null hypothesis.

H0:μ=180

H1:μ180

If the P-value is smaller than the significance level α, then reject the null hypothesis:

0.0589<0.10RejectH0

There is sufficient convincing evidence that the correct mean volume of liquid is different from 180millilitres.

03

Part (b) Step 1:Given information

A5% significance level was used

04

Part (b) Step 2:Explaination

P=0.0589

α=0.10

Given claim of mean is180.

The claim is either the null hypothesis or the alternative hypothesis. The null hypothesis statement is that the population proportion is equal to the value given in the claim. If the null hypothesis is the claim, then the alternative hypothesis statement is the opposite of the null hypothesis.

H0:μ=180

H1:μ180

If the P-value is smaller than the significance level , then reject the null hypothesis:

0.0589<0.10RejectH0

There is enough convincing evidence that the true mean volume of liquid is different from 180millilitres. It is observed that the conclusion changed.

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Most popular questions from this chapter

Teens and sex The Gallup Youth Survey asked a random sample of U.S. teens aged 13 to 17 whether they thought that young people should wait until marriage to have sex.14 The Minitab output shows the results of a significance test and a 95% confidence interval based on the survey data.

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