PART 1. If your null and alternative hypothesis are: H0:μ=93 H1:μ>93 Then the test is: right...
PART 1.
If your null and alternative hypothesis are:
H0:μ=93
H1:μ>93
Then the test is:
- right tailed
- two tailed
- left tailed
PART 2.
The purpose of ANOVA is to:
- Compare mean differences for 2 or more groups using averages
- Compare mean differences for 2 or more using variance
- Compare mean differences using standard error
- None of the above
Homework Answers
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PART 1.
If your null and alternative hypothesis are:
H0:μ=93
H1:μ>93
Then the test is:
right...
(a) Suppose the null and alternative hypothesis of a test are: H0: μ= 9.7 H1: μ...
(a) Suppose the null and alternative hypothesis of a test are: H0: μ= 9.7 H1: μ >9.7 Then the test is: left-tailed two-tailed right-tailed (b) If you conduct a hypothesis test at the 0.02 significance level and calculate a P-value of 0.07, then what should your decision be? Fail to reject H0 Reject H0 Not enough information is given to make a decision
The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or...
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For the following hypothesis test, determine the null and alternative hypotheses. Also, classify the hypothesis test...
For the following hypothesis test, determine the null and alternative hypotheses. Also, classify the hypothesis test as two tailed, left tailed, or right tailed The mean local monthly bill for cell phone users in this country was $43.56 in 2001. A hypothesis test is to be performed to determine whether last year's mean local monthly bill for cell phone users has decreased from the 2001 mean of $43.56 Choose the correct null and alternative hypotheses below OA. Ho : μ...
The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or...
The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. What parameter is being tested? H0: p = 0.4 H1: p > 0.4 What type of test is being conducted in this problem? Left-tailed test Two-tailed test Right-tailed test . What parameter is being tested? Population Mean Population Proportion Population standard deviation
The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or...
The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. What parameter is being tested? H0: p = 0.3 H1: p < 0.3 What type of test is being conducted in this problem? Two-tailed test Right-tailed test Left-tailed test - Correct Answer What parameter is being tested? Population mean Population standard deviation Population proportion
The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or...
The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed and the parameter that is being tested. H0: p = 0.86 H1: p > 0.86 Group of answer choices Left-tailed, Right-tailed, Right-tailed, p Left-tailed, p
Your research supervisor wants you to test the null hypothesis H0: μ = 25 against the...
Your research supervisor wants you to test the null hypothesis H0: μ = 25 against the one-sided alternative hypothesis Ha: μ < 25. The population has a normal distribution with a variance of 16. You are told to use a sample size of 100 and a rejection region of . State the probability of a Type II error for this test of significance to four digits to the right of the decimal point under the alternative hypothesis that μ = 24.
1. What are null hypothesis and alternative hypothesis? 2. Inastatisticaltest,wehavethechoiceofatwo-tailedtest,aleft- tailed test, or a right-tailed test. Which hypothesis is the determining factor fo...
1. What are null hypothesis and alternative hypothesis? 2. Inastatisticaltest,wehavethechoiceofatwo-tailedtest,aleft- tailed test, or a right-tailed test. Which hypothesis is the determining factor for choosing the direction of the test? (In other words, how would you decide it) 3. Forthesamesampledataandnullhypothesis,howdoesthe P-value for a two-tailed test compare to that for a one-tailed test? 4. Using P-value method, how would you reject or fail to reject the null hypothesis? (what is the decision criteria?) How does level of significance matter to the hypothesis...
1. Test the claim that the mean GPA of night students is significantly different than 2.4...
1. Test the claim that the mean GPA of night students is significantly different than 2.4 at the 0.2 significance level. The null and alternative hypothesis would be: a) H0:μ=2.4 H1:μ>2.4 b) H0:μ=2.4 H1:μ<2.4 c) H0:p=0.6 H1:p<0.6 d) H0:p=0.6 H1:p>0.6 e) H0:p=0.6 H1:p≠0.6 f) H0:μ=2.4 H1:μ≠2.4 2. The test is: a) left-tailed b) right-tailed c) two-tailed 3. Based on a sample of 35 people, the sample mean GPA was 2.44 with a standard deviation of 0.04 The test statistic is:...
Given the following hypothesis: H0 : μ ≤ 12 H1 : μ > 12 For...
Given the following hypothesis: H0 : μ ≤ 12 H1 : μ > 12 For a random sample of 10 observations, the sample mean was 14 and the sample standard deviation 4.80. Using the .05 significance level: (a) State the decision rule. (Round your answer to 3 decimal places.) (Click to select)Cannot rejectReject H0 if t > (b) Compute the value of the test statistic. (Round your answer to 2 decimal places.) Value of the test statistic (c)...
For the following hypothesis test, determine the null and alternative hypotheses. Also, classify the hypothesis test as two tailed, left tailed, or right tailed The mean local monthly bill for cell phone users in this country was $43.56 in 2001. A hypothesis test is to be performed to determine whether last year's mean local monthly bill for cell phone users has decreased from the 2001 mean of $43.56 Choose the correct null and alternative hypotheses below OA. Ho : μ...
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