Question

In A high school, the average score of 12 male students was 87.25, the standard deviation...

In A high school, the average score of 12 male students was 87.25, the standard deviation was 9.6, and the average score of eight female students was 97.25, the standard deviation was 3.65. Use a 0.10 signing level.

(a) Is there a difference in the scores of men and women in this school?

(b) Do women in this school score higher than men?

(Describe it in the following way. Ho, Ha, critical value, test value, P value)

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

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
The mean test score for 48 male high school students is 23.6 and the population standard...
The mean test score for 48 male high school students is 23.6 and the population standard deviation is 4.6 The mean test score for 58 female high school students is 20.6 and the population standard deviation is 4.2 At α=0.01, can you reject the claim that male and female high school students have equal test scores?
More than 1 million high school students took the SAT in 2000. The average verbal score...
More than 1 million high school students took the SAT in 2000. The average verbal score was 428 and the standard deviation was 110. (a) Estimate the 60th percentile of the verbal SAT scores in 2000. (b) In California, the average verbal score was 417 and the standard deviation was 110 points. About what percent of the California test takers did better than the national average? (c) Estimate the difference between national and California’s and national SAT scores. Construct a...
More than 1 million high school students took the SAT in 2000. The average verbal score...
More than 1 million high school students took the SAT in 2000. The average verbal score was 428 and the standard deviation was 110. (a) Estimate the 60th percentile of the verbal SAT scores in 2000. (b) In California, the average verbal score was 417 and the standard deviation was 110 points. About what percent of the California test takers did better than the national average? (c) Estimate the difference between national and California’s and national SAT scores. Construct a...
The average math SAT score is 519 with a standard deviation of 111. A particular high...
The average math SAT score is 519 with a standard deviation of 111. A particular high school claims that its students have unusually high math SAT scores. A random sample of 45 students from this school was​ selected, and the mean math SAT score was 563. Is the high school justified in its​ claim? Explain. ____because the​ z-score ​( ​) ______since ______within the range of a usual​ event, namely within __________of the mean of the sample means. ​(Round to two...
A random sample of high school seniors took a literacy test before graduation. A comparison of...
A random sample of high school seniors took a literacy test before graduation. A comparison of scores for the test showed that women scored significantly higher on average (p-value = 0.017) than men on the literacy test. What does the p-value in this statement tell us? If there were actually no difference in the mean literacy scores for all men and women at the high school, the probability of observing a difference between the two group means as large or...
The mean critical reading SAT score is 501, with a standard deviation of 112. A particular...
The mean critical reading SAT score is 501, with a standard deviation of 112. A particular high school claims that its students have unusually high critical reading SAT scores. A random sample of 50 students from this school was selected, and the mean critical reading SAT score was 515. a.) Is the high school justified in its claim? Explain.
The mean quantitative score on a standardized test for female​ college-bound high school seniors was 550...
The mean quantitative score on a standardized test for female​ college-bound high school seniors was 550 The scores are approximately Normally distributed with a population standard deviation of 50 A scholarship committee wants to give awards to​ college-bound women who score at the 96TH percentile or above on the test. What score does an applicant​ need? Complete parts​ (a) through​ (g) below.The mean quantitative score on a standardized test for female​ college-bound high school seniors was 550 The scores are...
The average score of the students in one calculus class is 75, with a standard deviation...
The average score of the students in one calculus class is 75, with a standard deviation of 5. The average score of the students in statistics class is 85 with a standard deviation of 5. Which class is more variable in terms of scores?
A researcher would like to determine the average score on achievement tests among high school seniors...
A researcher would like to determine the average score on achievement tests among high school seniors attending Boulder High. A sample of n=100 students is selected and each student takes the test. The average score of the sample is 44 with an estimated standard deviation of 12 (this was estimated from the sample). Test the null hypothesis that the population mean of Boulder High students is actually 40. Note that the t-critical value for this degree of freedom is +/-...
The average verbal GRE score is 400 with a standard deviation of 100. Based on this...
The average verbal GRE score is 400 with a standard deviation of 100. Based on this information, answer questions a-c (a) What verbal GRE score will put a person in the BOTTOM 53% ? (b) Using the same mean verbal GRE score and standard deviation, if 36 students took the GRE, how many people would be expected to have verbal GRE scores ABOVE 350? Round to the nearest person. (c) Graduate school A requires students to have a verbal GRE...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT