Question

Claim: The mean IQ score of statistics professors is greater than 118. Sample data N=50, =120,...

Claim: The mean IQ score of statistics professors is greater than 118. Sample data N=50, =120, assume that and the alpha is 0.05.
a) State the hypothesis and find the test statistics
b) Find the P-Value
c) Find the Critical Value
d) State the conclusion
Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Hi dear,
I am waiting for your feedback
I have given my 100% can you please like it.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Test the claim that for the population of statistics final exams, the mean score is 78...
Test the claim that for the population of statistics final exams, the mean score is 78 using alternative hypothesis that the mean score is different from 78. Sample statistics include n=27,x¯=79, and s=16. Use a significance level of α=0.05. (Assume normally distributed population.) The test statistic is ____ The positive critical value is _____ The negative critical value is _____ The conclusion is ____
You wish to test the claim that the average IQ score is less than 100 at...
You wish to test the claim that the average IQ score is less than 100 at the .005 significance level. You determine the hypotheses are: Ho: μ=100 H1:μ<100 You take a simple random sample of 76 individuals and find the mean IQ score is 95.5, with a standard deviation of 15.1. Let's consider testing this hypothesis two ways: once with assuming the population standard deviation is not known and once with assuming that it is known. Round to three decimal...
You wish to test the claim that the average IQ score is less than 100 at...
You wish to test the claim that the average IQ score is less than 100 at the .01 significance level. You determine the hypotheses are: H o : μ = 100 H 1 : μ < 100 You take a simple random sample of 60 individuals and find the mean IQ score is 98.7, with a standard deviation of 14.6. Let's consider testing this hypothesis two ways: once with assuming the population standard deviation is not known and once with...
You wish to test the claim that the average IQ score is less than 100 at...
You wish to test the claim that the average IQ score is less than 100 at the .005 significance level. You determine the hypotheses are: H o : μ = 100 H 1 : μ < 100 You take a simple random sample of 95 individuals and find the mean IQ score is 95.2, with a standard deviation of 14.4. Let's consider testing this hypothesis two ways: once with assuming the population standard deviation is not known and once with...
For the following claim, find the null and alternative hypotheses, test statistic, critical value, and draw...
For the following claim, find the null and alternative hypotheses, test statistic, critical value, and draw conclusion. Assume that a simple random sample has been selected from a normally distributed population. Claim: the mean IQ score of statistics professors is less than 127. Sample data: n = 28, x = 125, s = 13. The significance level is a = 0.05
Test the claim that for the population of statistics final exams, the mean score is 80...
Test the claim that for the population of statistics final exams, the mean score is 80 using alternative hypothesis that the mean score is different from 80. Sample statistics include n=28, x¯=81, and s=13. Use a significance level of α=0.05. (Assume normally distributed population.) The test statistic is The positive critical value is The negative critical value is The conclusion is A.There is sufficient evidence to reject the claim that the mean score is equal to 80. B.There is not...
Test the claim that for the population of statistics final exams, the mean score is 70...
Test the claim that for the population of statistics final exams, the mean score is 70 using alternative hypothesis that the mean score is different from 70. Sample statistics include n=20,x¯=71, and s=15. Use a significance level of α=0.05. (Assume normally distributed population.) The test statistic is The positive critical value is The negative critical value is The conclusion is A. There is sufficient evidence to reject the claim that the mean score is equal to 70. B. There is...
For the following​ claim, find the null and alternative​ hypotheses, test​ statistic, critical​ value, and draw...
For the following​ claim, find the null and alternative​ hypotheses, test​ statistic, critical​ value, and draw a conclusion. Assume that a simple random sample has been selected from a normally distributed population. Answer parts ​a-d. ​Claim: The mean IQ score of statistics professors is less than 125. Sample​ data: n= 12​, x= 123​, s= 99. The significance level is a= 0.05.
You wish to test the claim that the average IQ score is less than 100 at...
You wish to test the claim that the average IQ score is less than 100 at the .05 significance level. You determine the hypotheses are: H o : μ = 100 H 1 : μ < 100 You take a simple random sample of 38 individuals and find the mean IQ score is 98.8, with a standard deviation of 15.9. Let's consider testing this hypothesis two ways: once with assuming the population standard deviation is not known and once with...
For the following​ claim, find the null and alternative​ hypotheses, test​ statistic, critical​ value, and draw...
For the following​ claim, find the null and alternative​ hypotheses, test​ statistic, critical​ value, and draw a conclusion. Assume that a simple random sample has been selected from a normally distributed population. Answer parts ​a-d. ​Claim: The mean IQ score of statistics professors is greater than 130. Sample​ data: nequals11​, x overbarequals135​, sequals8. The significance level is alphaequals0.05.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT