Determine ß for the following test of hypothesis, given that u = 40. %3D Ho : u = 47 H:u< 47 For this test, take o = 7, n 34, and a = 0.08. P(Type II Error) =
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- = .7 and =.6. Test Ho: (P, - P2) =0 against H,:(P, – P2)>0 using a = .05One-Sample T: Test of u = 34 vs not 34 %3D Variable Мean StDev SE Mean T P 16 35.274 1.783 а. b. 0.012 c. How many degrees of freedom are there on the t- test statistic? d. At what level of significance can the null hypothesis be rejected? e. If the alternative hypothesis is µ > 34, would the P-value have been larger or smaller? v a. a. P-value would be smaller v b. b. 15 v C. с. 11.43 v d. d. 2.8581 е. e. 0.4458 f. P-value = 0.012 We reject the null hypothesis if the P-valueA test is made of H0: u=5 vs Ha: u<5. The true value of u is 5, and is rejected. What type of error is this outcome? A. Type I error B. Type II error
- H. : p = 0.65 and H, : p > 0.65 where p= the proportion of students who were quarantined at some point during the Fall Semester of 2020. Identify the correct explanation for a Type Il error. O Conclude the percent was higher than 65%, but it was not higher. Conclude the percent was higher than 65% and it was higher. O Did not conclude the percent was higher than 65%, but it was higher. O Did not conclude the percent was higher than 65% and it was not higher.for f(4,25) = 4.35, p >.01, was the result statistically signifigant?A researcher wants to determine whether the time spent online per day is related to gender. A random sample of 315 adults was selected and the results are shown below. Test the hypothesis that the time spent online per day is related to gender. Use α = 0.05.
- A medical researcher says that less than 82% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 300 adults in that country, 78% thínk that healthy children should be reguired to be vaccinated. At a = 0.10, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. H: ps O E. Ho: p= Hyip Haip= O D. Ho: p. O B. The rejection region is I test statisticz Fail to reject laces as needed.) Reject ject or fail to reject the null hypothesis and (e) interpret the decision in the context of the original claim. the null hypothesis. There V enough evidence to V the researcher's claim.Þorgerður, a scientist, used a paired t-test to examine the effectiveness of a drug she is developing. She obtained a p-value =% 3D 0.005 and concluded that the drug was effective (she used a = 0.05). Suppose the drug does not actually work. Which of the following statements is correct? 1. Þorgerður should not reject the null hypothesis because the p-value is too large. 2. Type I error occurred. 3. An error of type II occurred. 4. There was no errorText the hypothesis that o 8 given that s = 10 %3D for a random sample of size 51.
- cont.... What is the level of measurement for the dependent variable? Are the samples dependent (matched) or independent? State the null and alternative hypotheses.H0: HA:Below is the raw data for an experiment. Conduct the appropriate ANOVA hypothesis test with a=0.01, calculating the appropriate bracketed terms, and filling in the source table. If decimals exceed 3 places, round to 3 places. Participant Black G1 G2 A 4 5 7 B 5 5 C 1 9 D 9 To get [Y], square each term, then add them up all up: [Y] =532 For [A], add up each column, then square those numbers [4] 3 6 G3 5 5 6 4 White 6 2 1 3In testing the hypothesis Ho: μ=50 vs Ha: μ≠50, the following was obtained: n=64,x ̅=53.5 and σ=10. The test statistic value is A. t=2.8 B. t=-2.8 C. z=2.8 D. z=-2.8