for hypothesis:
null hypothesis:Ho | μ | = | 62.2 | |
Alternate Hypothesis:Ha | μ | ≠ | 62.2 |
test statistic z=-1.35
option A is correct . the critical values are -/+ 1.645
fail to reject null hypothesis, the data does not provide sufficient ,,,,,,,in the city is different from the average,,,,,,,,
Suppose the mean heigh of women age 20 years or older n a ce ar country...
Suppose the mean height of women age 20 years or older in a certain country is 62.2 inches. One hundred randomly selected women in a certain city had mean height of 62.6 inches. At the 5% significance level do the data provide sufficient evidence to conclude that the mean height of women in the c y differs from the national mean? Assume that the population standard deviation of the heights of women in the city is 3.8 inches a Set...
Suppose the mean height of women age 20 years or older in a certain country is 62.6 inches. One hundred randomly selected women in a certain city had a mean height of 61.5 inches. At the 11% significance level, do the data provide sufficient evidence to conclude that the mean height of women in the city differs from the national mean? Assume that the population standard deviation of the heights of women in the city is 3.63.6 inches. Set up...
Suppose the mean height of women age 20 years or older in a certain country is 62.5 inches. One hundred randomly selected women in a certain city had a mean height of 63.5 inches. At the 5% significance level, do the data provide sufficient evidence to conclude that the mean height of women in the city differs from the national mean? Assume that the population standard deviation of the heights of women in the city is 3.8 inches. the test...
Question Help Suppose the mean height of women age 20 years or older in a certain country is 62.4 inches. One hundred randomly selected women in a certain city had a mean height of 620 inches. At the 15 significance level do the data provide sufficient evidence to conclude that the mean height of women in the city differs from the national mean? Assume that the population standard deviation of the heights of women in the city is 3.5 inches...
9.4.87 Question Help Suppose the mean height of women age 20 years or older in a certain country is 62.9 inches. One hundred randomly selected women in a certain city had a mean height of 63 o inches. At the 1% significance l ol, do the data provide sufficient evidenco to co ude that the mean height of o en n tho oty diff from he n al an? Assume that the population standard deviation of the heights of women...
section 9.4 Suppose the mean height of women age 20 years or older in a certain country is 62.5 inches. One hundred randomly selected women in a certain city had a mean height of 61.0 inches. At the 1% significance level, do the data provide sufficient evidence to conclude that the mean height of women in the city differs from the national mean? Assume that the population standard deviation of the heights of women in the city is 4.1 inches...
ill in the blank is 1. reject/do not reject 2. provide/does not provide and 3. less than, the same as, greater than, different from Suppose the mean height of women age 20 years or older in a certain country is 62.6 inches. One hundred randomly selected women in a certain city had a mean height o 61.0 inches. At the 5% significance level do the data provide sufficient evidence to conclude that the mean he t o wormer c differs...
Several years ago, the mean height of women 20 years of age or older was 63.7 inches. Suppose that a random sample of 45 women who are 20 years of age or older today results in a mean height of 63.9 inches. (a) State the appropriate null and alternative hypotheses to assess whether women are taller today (b) Suppose the P-value for this test is 0.12. Explain what this value represents. (C) Write a conclusion for this hypothesis test assuming...
Quiz: Quiz 12 Subril This Question: 1 pt 3 of 6 This Quiz: 6 pts po Question Help Suppose the mean height of women age 20 years or older in a certain country is 622 inches. One hundred randomly selected women in a certain city had a mean height of 61.6 inches. At the 1% significance level, do the data provide sufficient evidence to conclude that the mean height of women in the city differs from the national mean? Assume...
Several years ago, the mean height of women 20 years of age or older was 63.7 inches. Suppose that a random sample of 45 women who are 20 years of age or older today results in a mean height of 64.5 inches (a) State the appropriate null and alternative hypotheses to assess whether women are taller today (b) Suppose the P value for this testis 0.02. Explain what this value represents (c) Write a conclusion for this hypothesis foot assuming...