15.) The mean wingspan for the population of a species of bird is known to be 30 inches, and the standard deviation for the wingspan of the population of the species of bird is known to be 4 inches. A researcher believes that the mean wingspan is actually less. He measures the wingspan of a sample of 10 birds, and finds that the mean wingspan of the birds in the sample is 28 inches. For a = 0.01 decide whether the mean wingspan is actually lower. a. State the null hypothesis and the alternative hypothesis. b. Is the test left-tailed, right-tailed, or two-tailed? c. Find the test statistic 035) d. Find the critical value or p value e. Should you reject the null hypothesis? f. Summarize the results 19 Yazarifooyrt Hund belan buy luode b Au uz adi sommoz be
15.) The mean wingspan for the population of a species of bird is known to be 30 inches, and the standard deviation for the wingspan of the population of the species of bird is known to be 4 inches. A researcher believes that the mean wingspan is actually less. He measures the wingspan of a sample of 10 birds, and finds that the mean wingspan of the birds in the sample is 28 inches. For a = 0.01 decide whether the mean wingspan is actually lower. a. State the null hypothesis and the alternative hypothesis. b. Is the test left-tailed, right-tailed, or two-tailed? c. Find the test statistic 035) d. Find the critical value or p value e. Should you reject the null hypothesis? f. Summarize the results 19 Yazarifooyrt Hund belan buy luode b Au uz adi sommoz be
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:15.) The mean wingspan for the population of a species of bird is known to be 30 inches, and the
standard deviation for the wingspan of the population of the species of bird is known to be 4
inches. A researcher believes that the mean wingspan is actually less. He measures the
wingspan of a sample of 10 birds, and finds that the mean wingspan of the birds in the sample
is 28 inches. For a = 0.01 decide whether the mean wingspan is actually lower.
a. State the null hypothesis and the alternative hypothesis.
b. Is the test left-tailed, right-tailed, or two-tailed?
c. Find the test statistic
0222
5)
d. Find the critical value or p value
f. Summarize the results
2
e. Should you reject the null hypothesis?
2091
0112
Bulevfabitino od bris
Yazarifooyrt Hund belan buy luode b
20
Muzadi asosmmuz
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