Which is not a step in hypothesis testing? A. Determine or establish alpha B. Determine or establish beta C. Calulate or look up the critical value(s) D. Calculate the test statistic E. All of the above F. None of the above
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Which is not a step in hypothesis testing?
A. |
Determine or establish alpha |
|
B. |
Determine or establish beta |
|
C. |
Calulate or look up the critical value(s) |
|
D. |
Calculate the test statistic |
|
E. |
All of the above |
|
F. |
None of the above |
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- If you have a hypothesis test with alpha = 0.09, which of the following P-Values does NOT imply statistical significance? 0.023 0.07 0.163 0.055If the hypothesis test results in a p-value of 0.006 would we be able to reject the null hypothesis using an alpha of 0.05? Question 4 options: yes no need more information to decideUsing the information provided in the SPSS output. You are asked to make a decision about whether to reject the null hypothesis that the population value of gamma equals 0 (i.e., that there is no ordinary association in the population between frequency of prayer and health). If alpha = 0.05 and you use a non-directional alternative hypothesis, which of the following is true?) A. Since the p-value is larger than alpha, you do not reject the null hypothesis B. Since the p-value is less than alpha, you do not reject the null hypothesis C. Since the p-value is larger than alpha, you reject the null hypothesis. D. Since the p-value is less than alpha, you reject the null hypothesis
- An article includes the accompanying data on compression strength (lb) for a sample of 12-oz aluminum cans filled with strawberry drink and another sample filled with cola. Beverage Sample Size Sample Mean Sample SD Strawberry Drink 10 535 24 Cola 10 559 15 Does the data suggest that the extra carbonation of cola results in a higher average compression strength? Base your answer on a P-value. (Use ? = 0.05.) State the relevant hypotheses. (Use ?1 for the strawberry drink and ?2 for the cola.) H0: ?1 − ?2 = 0Ha: ?1 − ?2 ≥ 0H0: ?1 − ?2 = 0Ha: ?1 − ?2 ≠ 0 H0: ?1 − ?2 = 0Ha: ?1 − ?2 < 0H0: ?1 − ?2 = 0Ha: ?1 − ?2 > 0 Calculate the test statistic and determine the P-value. (Round your test statistic to one decimal place and your P-value to three decimal places.) t = P-value = State the conclusion in the problem context. Reject H0. The data suggests that cola has a higher average compression strength than the strawberry drink.Reject H0. The…A researcher who wants to know whether the proportion of male births in a hospital is different from the established baseline of 51.07%, would like to test the following hypotheses: Ho:P = 0.51 vs. Ha :P = does not equal 0.51 a) Is the alternative hypothesis upper tail, lower tail, or two tailed? b) What do you conclude if the test results p-value of 0.03 at alpha value = 5% c) What do you conclude if the test results p-value of 0.08 at alpha value = 10%Which of the following alpha values provides the strongest evidence the reject the null hypothesis? Explain your answer.a) 5% b) 1% c) 01% 2. Which approach measures the strength of the evidence against the null hypothesis, the p-value approach or the critical value approach? Explain yout answer.
- In reporting the results of a statistical analysis, a researcher reports that "p = .33". This implies that ________. a. the alternative hypothesis was accepted with an alpha level of .05 b. the alternative hypothesis was not accepted with an alpha level of .05 c. the null hypothesis was not rejected with an alpha level of .05 d. the null hypothesis was rejected with an alpha level of .05Consider the following Hypothesis test: Ho: p=.20 Ha: p≠.20 A sample of 400 provided a sample portion of 1.75. A). What is the value of the test statisitc?(2 decimal places) B). What is the P-value? (4 decimal places) C). Using alpha = 0.05, is the null hypothesis rejected or not rejected?The P-value for a hypothesis test is 0.06. For each of the fol-lowing significance levels, decide whether the null hypothesis should be rejected. a. α = 0.05b. α = 0.10 c. α = 0.06
- The following display from a TI-84 Plus calculator presents the results of a hypothesis test for a population mean μ.u<52 t=-4.479421 p=0.000020 x=51.87 Sx=0.21523 n=55Do you reject H0 at the a=0.10 level of significance? Question 5 options: No YesA random sample of 10 professional athletes produced the following data where X is the number of endorsements the player has and Y is the amount of money made (in millions of dollars). Use the 4 steps of hypothesis testing to see if the prediction is significant with a criteria of alpha=.05 on the following data. x y 0 2 3 8 2 7 1 3 5 13 5 12 4 9 3 9 0 3 4 101.Distinguish p-value from alpha. 2. Which of the following alpha values provides the strongest evidence the reject the null hypothesis? a. 5%b. 1%c. 0.01% 3. Which approach measures the strength of the evidence against the null hypothesis, the p-value approach or the critical value approach?