Question

The state test scores for 12 randomly selected high school seniors are shown on the right....

The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts​ (a) through​ (c) below. Assume the population is normally distributed. 1429 1223 983 699 720 836 724 744 543 630 1441 949. Construct a 95​% confidence interval for the population mean μ. (round to one decimal place as needed)

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 state test scores for 12 randomly selected high school seniors are shown on the right....
The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts​ (a) through​ (c) below. Assume the population is normally distributed. 1425 1223 988 694 720 830 721 743 544 620 1442 943 ​(a)Find the sample mean. x=____ ​(Round to one decimal place as​ needed.) ​(b) Find the sample standard deviation. s=____ (Round to one decimal place as​ needed.) ​(c) Construct a 95% confidence interval for the population mean μ. A 95% confidence...
The state test scores for 12 randomly selected high school seniors are shown on the right....
The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts​ (a) through​ (c) below. Assume the population is normally distributed. 1430 1223 985 691 727 833 725 748 540 624 1448 949 ​(a) Find the sample mean. x= _​ ​(Round to one decimal place as​ needed.) ​(b) Find the sample standard deviation. s= _ ​(Round to one decimal place as​ needed.)​(c) Construct a 99% confidence interval for the population mean is ​(...
The state test scores for 12 randomly selected high school seniors are shown on the right....
The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts​ (a) through​ (c) below. Assume the The state test scores for 1212 randomly selected high school seniors are shown on the right. Complete parts​ (a) through​ (c) below. Assume the population is normally distributed. 1430 1228 988 695 724724 830 722 750750 546 627 1447 943 the state test scores for 12 randomly selected high school seniors are shown on the right....
The state test scores for 12 randomly selected high school seniors are shown below. Complete parts​...
The state test scores for 12 randomly selected high school seniors are shown below. Complete parts​ (a) through​ (e) below. Assume the population is normally distributed. 1421 1230 986 694 722 836 723 750 544 625 1446 949 (a) Find the sample mean=   (Round to one decimal place as​ needed.) (b) find sample standard deviation= (Round to one decimal place as​ needed.) (c) construct 90% confidence interval =    _ , _    (d) construct 95% confidence interval =   ...
The state test scores for 12 randomly selected high school seniors are shown on the right....
The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts​ (a) through​ (c) below. Assume the population is normally distributed. 1420 1227 989 691 726 833 722 747 547 630 1442 948 ​(a) Find the sample mean. x overbarequals nothing ​(Round to one decimal place as​ needed.) ​(b) Find the sample standard deviation. sequals nothing ​(Round to one decimal place as​ needed.) ​(c) Construct a 90​% confidence interval for the population mean...
The state test scores for 12 randomly selected high school seniors are shown below. Assume the...
The state test scores for 12 randomly selected high school seniors are shown below. Assume the population is normally distributed. Find (a) the sample mean. (b) Find the sample standard deviation (c) Construct a 99% confidence interval for the population mean u 1424 1220 980 691 721 837 723 745 547 620 1450 940 (a) Find the sample mean. x = _______ ​(Round to one decimal place as​ needed.) (b) Find the sample standard deviation. ​(c) Construct a 99​% confidence...
9) The SAT scores for 12 randomly selected seniors at a particular high school are given...
9) The SAT scores for 12 randomly selected seniors at a particular high school are given below. Assume that the SAT scores for seniors at this high school are normally distributed. 804 1,181 1,255 1,039 930 1,307 1,312 610 967 1,051 1,184 1,315 a) Find a 95% confidence interval for the true mean SAT score for students at this high school. b) Provide the right endpoint of the interval as your answer. Round your answer to the nearest whole number.
9) The SAT scores for 12 randomly selected seniors at a particular high school are given...
9) The SAT scores for 12 randomly selected seniors at a particular high school are given below. Assume that the SAT scores for seniors at this high school are normally distributed. 1,062 1,057 1,363 1,042 813 833 902 1,136 617 1,040 1,111 1,080 a) Find a 95% confidence interval for the true mean SAT score for students at this high school. b) Provide the right endpoint of the interval as your answer. Round your answer to the nearest whole number.
31) The SAT scores for 12 randomly selected seniors at a particular high school are given...
31) The SAT scores for 12 randomly selected seniors at a particular high school are given below. Assume that the SAT scores for seniors at this high school are normally distributed. 928 743 1,329 920 827 927 1,250 1,339 1,392 955 934 1,024 a) Find a 95% confidence interval for the true mean SAT score for students at this high school. b) Provide the right endpoint of the interval as your answer. Round your answer to the nearest whole number....
The state test scores for 12randomly selected high school seniors are shown on the right. Assume...
The state test scores for 12randomly selected high school seniors are shown on the right. Assume the population is normally distributed. 2.5              3.5                2.8 2.0              0.7                4.0 2.3              1.2                3.7 0.2              2.1                3.2 A-Find the sample mean B-Find sample standard deviation Round to one decimal place as​ needed. C-To find a 99% confidence interval for the population​ mean, first determine whether the​ t-distribution or the normal distribution should be used in constructing the interval. Refer to the flowchart below. ​1)...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT