1. Fisher LSD: What is the statement that corresponds to rejecting and failing to reject the...
1. Fisher LSD: What is the statement that corresponds to rejecting and failing to reject the null hypothesis?
2. Tukey HSD: What is the statement that corresponds to rejecting and failing to reject the null hypothesis?
3. Kruskal-Wallis: What is the statement that corresponds to rejecting or failing to reject the null hypothesis?
4. Two-way ANOVA: What is the statement that corresponds to rejecting or failing to reject the null hypothesis?
Homework Answers
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1. Fisher LSD: What is the statement that corresponds to
rejecting and failing to reject the...
In a one-way ANOVA, what does it mean to reject the statement in the null hypothesis...
In a one-way ANOVA, what does it mean to reject the statement in the null hypothesis if three treatment groups are being compared? Choose the correct answer below. A. Rejecting the statement in the null hypothesis means that there is insufficient evidence to conclude that the mean of one of the populations is different than the other two or that all three populations are different. B. Rejecting the statement in the null hypothesis means that there is sufficient evidence to...
1) While rejecting a null hypothesis on a t-test, what is the purpose of calculating Cohen’s...
1) While rejecting a null hypothesis on a t-test, what is the purpose of calculating Cohen’s d? What is the purpose of calculating eta squared and omega squared? 2) What factor differentiates a one way ANOVA from a two way ANOVA? 3) If I ran an ANOVA with sample 1 having a mean of 5, sample 2 having a mean of 9 and sample 3 having a mean of 10. According to post-hoc comparisons, which means would be different with...
Explain what a P-value is. What is the criterion for rejecting the null hypothesis using the...
Explain what a P-value is. What is the criterion for rejecting the null hypothesis using the P-value approach? Explain what a P-value is. Choose the correct answer below. OA. A P-value is the probability of observing a sample statistic as extreme or more extreme than the one observed under the assumption that the statement in the null hypothesis is true B. A P-value is the number of standard deviations that the observed proportion is from the proportion stated in the...
Match the rules for rejecting HO at the right to the following tests One-tail test with...
Match the rules for rejecting HO at the right to the following tests One-tail test with lower reject region 1. test statistic > positive critical value One-tail test with upper reject region 2. test statistic < negative critical value 3 Two-tail test with lower and upper reject regions 3. test statistic outside interval (negative critical value, positive critical value) 4. pvalue < a For any test hypothesis, ANOVA, or Chi Squared, this rule for rejecting HO always applies
of 10 (0 completely This Quiz: 10 Explain what a P-value is. What is the criterion for rejecting the null hypothesi...
of 10 (0 completely This Quiz: 10 Explain what a P-value is. What is the criterion for rejecting the null hypothesis using the P-value approach? Explain what a P value is. Choose the correct answer below. O A A P-value is the number of standard deviations that the observed proportion is from the proportion stated in the rul hypothesis OB A P-value is the value used to designate the area in either the left or right-tal of the normal curve...
8. Match the rules for rejecting H0 at the right to the following tests a. Two-tail...
8. Match the rules for rejecting H0 at the right to the following tests a. Two-tail test with lower and upper reject regions b. One-tail test with lower reject region c. For any test hypothesis, ANOVA, or Chi Squared, this rule for rejecting H0 always applies. d. One-tail test with upper reject region (1) test statistic > positive critical value (2) test statistic < negative critical value (3) test statistic outside interval (negative critical value, positive critical...
Question 3 1 pts What is the meaning of the P-value provided by a one-way ANOVA?...
Question 3 1 pts What is the meaning of the P-value provided by a one-way ANOVA? How likely that a mistake is made by rejecting a true null hypothesis If you reject the null hypothesis, there is a 5% chance that you're making an incorrect decision The probability that the observed test-statistic would occur by chance if the null hypothesis is true The probability that there is a difference between the sample means Question 4 1 pts What are the...
Homework8 Name and types DUE: April ANOVA theory 17, 2019 1) Why can we not do a series of t-test...
Homework8 Name and types DUE: April ANOVA theory 17, 2019 1) Why can we not do a series of t-tests when comparing more than two groups? 2) For an ANOVA, in English, what is the null hypothesis? The alternative? What would it mean to reject the null? How is this different than when we reject the null in a t test? 3) If I told you I ran a three-way MANCOVA, what could you tell me about my design and...
You want to test which candy gets you the best ratings on student evaluations (0-10). The...
You want to test which candy gets you the best ratings on student evaluations (0-10). The first set of students gets no candy, the second gets black licorice, and the third gets skittles. You test n = 4 people in each group No Black Candy Licorice Skittles 4 زرا 8 N = 12 زرا 1 4 G = 48 5 3 6 Ex2 = 238 4 1 6 T= 16 8 24 M= 4 2 6 SS = 2 4...
QUESTIONS You want to test which candy gets you the best ratings on student evaluations (0-10)....
QUESTIONS You want to test which candy gets you the best ratings on student evaluations (0-10). The first set of students gets no candy, the second gets black licorice, and the third gets skittles. You test 4 people in each group No Black Candy Licorice Skittles 4 3 N - 12 3 4 G48 1 3 6 EX2 - 238 5 4 1 6 8 24 T- M- SS- 16 4 2 6 2 4 8 a. State the null...
Explain what a P-value is. What is the criterion for rejecting the null hypothesis using the P-value approach? Explain what a P-value is. Choose the correct answer below. OA. A P-value is the probability of observing a sample statistic as extreme or more extreme than the one observed under the assumption that the statement in the null hypothesis is true B. A P-value is the number of standard deviations that the observed proportion is from the proportion stated in the...
Match the rules for rejecting HO at the right to the following tests One-tail test with lower reject region 1. test statistic > positive critical value One-tail test with upper reject region 2. test statistic < negative critical value 3 Two-tail test with lower and upper reject regions 3. test statistic outside interval (negative critical value, positive critical value) 4. pvalue < a For any test hypothesis, ANOVA, or Chi Squared, this rule for rejecting HO always applies
of 10 (0 completely This Quiz: 10 Explain what a P-value is. What is the criterion for rejecting the null hypothesis using the P-value approach? Explain what a P value is. Choose the correct answer below. O A A P-value is the number of standard deviations that the observed proportion is from the proportion stated in the rul hypothesis OB A P-value is the value used to designate the area in either the left or right-tal of the normal curve...
Question 3 1 pts What is the meaning of the P-value provided by a one-way ANOVA? How likely that a mistake is made by rejecting a true null hypothesis If you reject the null hypothesis, there is a 5% chance that you're making an incorrect decision The probability that the observed test-statistic would occur by chance if the null hypothesis is true The probability that there is a difference between the sample means Question 4 1 pts What are the...
Homework8 Name and types DUE: April ANOVA theory 17, 2019 1) Why can we not do a series of t-tests when comparing more than two groups? 2) For an ANOVA, in English, what is the null hypothesis? The alternative? What would it mean to reject the null? How is this different than when we reject the null in a t test? 3) If I told you I ran a three-way MANCOVA, what could you tell me about my design and...
You want to test which candy gets you the best ratings on student evaluations (0-10). The first set of students gets no candy, the second gets black licorice, and the third gets skittles. You test n = 4 people in each group No Black Candy Licorice Skittles 4 زرا 8 N = 12 زرا 1 4 G = 48 5 3 6 Ex2 = 238 4 1 6 T= 16 8 24 M= 4 2 6 SS = 2 4...
QUESTIONS You want to test which candy gets you the best ratings on student evaluations (0-10). The first set of students gets no candy, the second gets black licorice, and the third gets skittles. You test 4 people in each group No Black Candy Licorice Skittles 4 3 N - 12 3 4 G48 1 3 6 EX2 - 238 5 4 1 6 8 24 T- M- SS- 16 4 2 6 2 4 8 a. State the null...
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