You are testing the claim that the mean GPA of night students is less than the...
You are testing the claim that the mean GPA of night students is
less than the mean GPA of day students.
You sample 60 night students, and the sample mean GPA is 2.12 with
a standard deviation of 0.68
You sample 30 day students, and the sample mean GPA is 2.01 with a
standard deviation of 0.39
Use the t-distribution to calculate the test statistic, rounded to
2 decimal places:
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You are testing the claim that the mean GPA of night students is
less than the...
You are testing the claim that the mean GPA of night students is greater than the...
You are testing the claim that the mean GPA of night students is greater than the mean GPA of day students. You sample 20 night students, and the sample mean GPA is 2.03 with a standard deviation of 0.85 You sample 60 day students, and the sample mean GPA is 2.12 with a standard deviation of 0.4 Calculate the test statistic, rounded to 2 decimal places
You are testing the claim that the mean GPA of night students is less than the...
You are testing the claim that the mean GPA of night students is less than the mean GPA of day students. You sample 55 night students, and the sample mean GPA is 2.25 with a standard deviation of 0.7 You sample 35 day students, and the sample mean GPA is 2.74 with a standard deviation of 0.84 Calculate the test statistic, rounded to 2 decimal places
You are testing the claim that the mean GPA of night students is less than the...
You are testing the claim that the mean GPA of night students is less than the mean GPA of day students. -Sample 1: You sample 20 night students, and the sample mean GPA is 2.84 with population standard deviation of 0.84 -Sample 2: You sample 30 day students, and the sample mean GPA is 2.82 with population standard deviation of 0.78 Calculate the z-test statistic, please keep at least 6 decimal places during the calculation.
You are testing the claim that the mean GPA of night students is different than the...
You are testing the claim that the mean GPA of night students is different than the mean GPA of day students. You sample 40 night students, and the sample mean GPA is 2.96 with a standard deviation of 0.77 You sample 30 day students, and the sample mean GPA is 2.5 with a standard deviation of 0.62 Calculate the test statistic, rounded to 2 decimal places
ou are testing the claim that the mean GPA of night students is different than the...
ou are testing the claim that the mean GPA of night students is different than the mean GPA of day students. -Sample 1: You sample 55 night students, and the sample mean GPA is 2.19 with population standard deviation of 0.42 -Sample 2: You sample 45 day students, and the sample mean GPA is 2.09 with population standard deviation of 0.48 Calculate the z-test statistic, please keep at least 6 decimal places during the calculation.
You are testing the claim that the mean GPA of night students is different from the...
You are testing the claim that the mean GPA of night students is different from the mean GPA of day students. You sample 30 night students, and the sample mean GPA is 2.35 with a standard deviation of 0.46. You sample 25 day students, and the sample mean GPA is 2.58 with a standard deviation of 0.47. Test the claim using a 5% level of significance. Assume the sample standard deviations are unequal and that GPAs are normally distributed. Give...
You are testing the claim that the mean GPA of night students is different from the...
You are testing the claim that the mean GPA of night students is different from the mean GPA of day students. You sample 30 night students, and the sample mean GPA is 2.35 with a standard deviation of 0.46. You sample 25 day students, and the sample mean GPA is 2.58 with a standard deviation of 0.47. Test the claim using a 5% level of significance. Assume the sample standard deviations are unequal and that GPAS are normally distributed. Give...
Question 1 You are testing the claim that the proportion of men who own cats is...
Question 1 You are testing the claim that the proportion of men who own cats is smaller than the proportion of women who own cats, You sample 50 men, and 45% own cats. You sample 130 women, and 85% own cats. Find P (p-bar), as a decimal, rounded to two decimal places. Submit Question Question 2 You are testing the claim that the proportion of men who own cats is significantly different than the proportion of women who own cats....
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A. You are testing the claim that the proportion of men who own cats is larger than the proportion of women who own cats. You sample 160 men, and 80% own cats. You sample 180 women, and 70% own cats. Find the test statistic, rounded to two decimal places. B. You are testing the claim that the mean GPA of night students is different than the mean GPA of day students. You sample 35 night students, and the sample mean...
Test the claim that the mean GPA of night students is smaller than the mean GPA...
Test the claim that the mean GPA of night students is smaller than the mean GPA of day students at the 0.05 significance level, The null and alternative hypothesis would he: HPxPD Ho: Un = yd H: PN PD HH:My CMD HUN MD Hai Py = PD HIPN Po H.Mn + My H.Py > Po H. x > Hp H.: 4n <H H.:Py + P The test is: right-tailed left-tailed two-tailed The sample consisted of 18 night students, with a...
You are testing the claim that the mean GPA of night students is different than the mean GPA of day students. You sample 40 night students, and the sample mean GPA is 2.96 with a standard deviation of 0.77 You sample 30 day students, and the sample mean GPA is 2.5 with a standard deviation of 0.62 Calculate the test statistic, rounded to 2 decimal places
You are testing the claim that the mean GPA of night students is different from the mean GPA of day students. You sample 30 night students, and the sample mean GPA is 2.35 with a standard deviation of 0.46. You sample 25 day students, and the sample mean GPA is 2.58 with a standard deviation of 0.47. Test the claim using a 5% level of significance. Assume the sample standard deviations are unequal and that GPAs are normally distributed. Give...
You are testing the claim that the mean GPA of night students is different from the mean GPA of day students. You sample 30 night students, and the sample mean GPA is 2.35 with a standard deviation of 0.46. You sample 25 day students, and the sample mean GPA is 2.58 with a standard deviation of 0.47. Test the claim using a 5% level of significance. Assume the sample standard deviations are unequal and that GPAS are normally distributed. Give...
Question 1 You are testing the claim that the proportion of men who own cats is smaller than the proportion of women who own cats, You sample 50 men, and 45% own cats. You sample 130 women, and 85% own cats. Find P (p-bar), as a decimal, rounded to two decimal places. Submit Question Question 2 You are testing the claim that the proportion of men who own cats is significantly different than the proportion of women who own cats....
Test the claim that the mean GPA of night students is smaller than the mean GPA of day students at the 0.05 significance level, The null and alternative hypothesis would he: HPxPD Ho: Un = yd H: PN PD HH:My CMD HUN MD Hai Py = PD HIPN Po H.Mn + My H.Py > Po H. x > Hp H.: 4n <H H.:Py + P The test is: right-tailed left-tailed two-tailed The sample consisted of 18 night students, with a...
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