Question

In: Statistics and Probability

You are given two random samples with the following information: In SPSS use Levene's Test   ...

You are given two random samples with the following information: In SPSS use Levene's Test   

Item                       Sample   1             Sample 2

1                            19.6                       21.3

2                            22.1                       17.4

3                            19.5                       19.0

4                            20.0                       21.2

5                            21.5                       20.1

6                            20.2                       23.5

7                            17.9                       18.9

8                            23.0                       22.4

9                            12.5                       14.3

10                          19.0                       17.8

Based on these samples, test at a = 0.10 whether the true difference in population variances is equal to zero.

Solutions

Expert Solution

sample 1 :

sample 2 :

CONCLUSION : true difference in population variances is not equal to zero.

(please UPVOTE)

orchestra answered 2 years ago
Next > < Previous

Related Solutions

Given two independent random samples with the following results:
Given two independent random samples with the following results: n1=170x1=36    n2=123x2=65 Use this data to find the 90% confidence interval for the true difference between the population proportions.Step 1 of 4 : Find the values of the two sample proportions, pˆ1 and pˆ2. Round your answers to three decimal places.Step 2 of 4: Find the margin of error. Round your answer to six decimal places.Step 3 of 4: Construct the 90% confidence interval. Round your answers to three decimal places.
Summary statistics are given for independent simple random samples from two populations. Use the pooled t-test...
Summary statistics are given for independent simple random samples from two populations. Use the pooled t-test to conduct the required hypothesis test. 1 = 13, s 1 = 5, n 1 = 10,   2 = 21, s 2 = 4, n 2 = 14 Perform a left-tailed hypothesis test using a significance level of α = 0.05. a Test statistic: t = -1.526526 Critical value = -1.717 0.05 < P < 0.10 Do not reject H0 b Test statistic: t =...
Suppose you want to test the claim that μ1 = μ2. Two samples are random, independent,...
Suppose you want to test the claim that μ1 = μ2. Two samples are random, independent, and come from populations that are normally distributed. The sample statistics are given below. Assume that σ 2 1 = σ 2 2. At a level of significance of α = 0.05, when should you reject H0? n1 = 14 n2 = 12 x1 = 21 x2 = 22 s1 = 2.5 s2 = 2.8
Suppose you want to test the claim that μ1 > μ2. Two samples are random, independent,...
Suppose you want to test the claim that μ1 > μ2. Two samples are random, independent, and come from populations that are normally distributed. The sample statistics are given below. Assume that  ≠ . At a level of significance of , when should you reject H0? n1 = 18 n2 = 13 1 = 595 2 = 580 s1 = 40 s2 = 25
Suppose you want to test the claim that μ1 = μ2. Two samples are random, independent,...
Suppose you want to test the claim that μ1 = μ2. Two samples are random, independent, and come from populations that are normally distributed. The sample statistics are given below. Assume that variances of two populations are not the same (σ21≠ σ22). At a level of significance of α = 0.01, when should you reject H0? n1 = 25 n2 = 30 x1 = 27 x2 = 25 s1 = 1.5 s2 = 1.9 Reject H0 if the standardized test...
You are given two independent random samples from two populations. For Sample #1, there are 60...
You are given two independent random samples from two populations. For Sample #1, there are 60 observations, the sample mean is 33.8 and you are given that the populationstandard deviation is 5.5 For Sample #2, there are 35 observations, the sample mean is 31.8 and you are given that the populationstandard deviation is 4.1 You are asked to test the null hypothesis that the two population have the same mean (the difference in population means is 0). What is the...
Criterion: Calculate an independent samples t test in SPSS. Data: Ms Z has two groups of...
Criterion: Calculate an independent samples t test in SPSS. Data: Ms Z has two groups of band students. She asks Group 1 to use her new embouchure strengthening cream before practice and asks Group 2 to practice as usual. The groups practiced for the following number of minutes: Minutes of practice: Group 1: 55, 44, 62, 30, 78, 50, 52. Group 2: 31, 40, 53, 22, 41, 16, 33. Instruction: Complete the following steps: Open SPSS and create a New...
Independent Samples t-test in SPSS Imagine that you want to determine whether people who are homeless...
Independent Samples t-test in SPSS Imagine that you want to determine whether people who are homeless have greater levels of depression lf they HAVE A DISABILITY compared to people who are homeless and DO NOT have a disability. The scores below represent the raw scores for the Stewart Depression Scale, which measures people's level of depression {higher scores represent greater depression levels). You will need to take the raw scores from the table below, and compute at-test analysis in SPSS....
Use the traditional method to test the given hypothesis. Assume that the samples are independent and...
Use the traditional method to test the given hypothesis. Assume that the samples are independent and that they have been randomly selected Use the given sample data to test the claim that p 1 > p 2. Use a significance level of 0.01. ​ n1 = 85 n2 = 90 x1 = 38 x2 = 23
Given two independent random samples with the following results: n1=233 pˆ1=0.63    n2=435 pˆ2=0.76 Use this data...
Given two independent random samples with the following results: n1=233 pˆ1=0.63    n2=435 pˆ2=0.76 Use this data to find the 95% confidence interval for the true difference between the population proportions. Step 1 of 3: Find the critical value that should be used in constructing the confidence interval. Step 2 of 3: Find the value of the standard error. Round your answer to three decimal places. Step 3 of 3: Construct the 95% confidence interval. Round your answers to three decimal...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT