subject
Mathematics, 09.07.2020 02:01 lhecker007

Suppose that the scores of a standardized test are normally distributed with an unknown mean and standard deviation. A random sample of 21 scores is taken and gives a sample mean of 95 points and a sample standard deviation of 8 points. df t0.10 t0.05 t0.025 t0.01 t0.005
17 1.333 1.740 2.110 2.567 2.898
18 1.330 1.734 2.101 2.552 2.878
19 1.328 1.729 2.093 2.539 2.861
20 1.325 1.725 2.086 2.528 2.845
21 1.323 1.721 2.080 2.518 2.831
Find the margin of error for a 95% confidence interval estimate for the population mean using the Student's t-distribution
Use the portion of the table above. Round the final answer to two decimal places.
Provide your answer below:
ME = .

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 21:50, shay68596
What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality
Answers: 3
image
Mathematics, 21.06.2019 23:30, bhopainting
Simplify (8x2 − 1 + 2x3) − (7x3 − 3x2 + 1). −5x3 + 11x2 − 2 5x3 − 11x2 + 2 x3 + 2x2 + x3 x3 − 2x2 − x3
Answers: 1
image
Mathematics, 22.06.2019 01:30, jasminespets
What is the surface area of a cube with the volume of 729 ft?
Answers: 1
image
Mathematics, 22.06.2019 01:30, ronaldo22
What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?
Answers: 2
You know the right answer?
Suppose that the scores of a standardized test are normally distributed with an unknown mean and sta...

Questions in other subjects:

Konu
Chemistry, 02.02.2021 01:00