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- How many permutations of the letters W, X, Y, and Z are possible?If a you had two groups in a study Group 1 had a n=25 and Group 2 had a n=21, what would the df be for the study?A researcher found that the two groups (n=25 in each group) they tested were significantly different from each other with a t-value of 2.91, which has a corresponding p-value of p=.06. For this study, report the statistics in APA format.
- 8 Find the required D calculation value to test whether there is a difference between the two groups. a) 0.00 B) 0.40 NS) 0.20 D) 0.60 TO) 0.80Based on the summary table would you preform a Tukey test if so use the following means to explain the group difference using CD= 4.07 [Group A= 82, group B=76, Group c=72Two groups of students are given a problem-solving test, and the results are compared. Group 1 Group 2 1 = 83.6 = 79.2 s1=4.1 s2=3.9 n1=36 n2=36 At α= 0.01, can it conclude that there is a significan difference in means of two groups? Explain with the 5 steps of hypothesis-testing.
- 19-Find the required D calculation value to test whether there is a difference between the two groups. a) one B) 0.25 NS) 0.5 D) 0 TO) 0.75From a team of 27 baseball players a group of 6 is to be randomly selected for steroid testing. In how many different ways could this be done? 27P6?In a one-sample z-test, ___________ groups are being tested. Three Two or more Two One
- Examine the data below for the three groups 6 3 0 8 2 0 8 1 3 5 1 1 3 3 1 What is the null hypothesis for a three group one way ANOVA? A. u1 = u2= u=3 B. X=1 X=2 X= 3 where X is the symbol for “x bar C. ~u 1= ~u2= ~u3 D. SStotal = SSBET + SSWITHSuppose a finite population has 6 items and 2 items are selected at random without replacement, then all possible samples will be: a. 6b. 15c. 2d. 12 e. 36A researcher measured the conductivity of a 15 sample (0.1 mm copper) cable and then measured the conductivity of the cable samples after twisting 2 rounds. For the sample size and data analysis method of the study, which is the following? Please select one: a. N = 30 and T test in two independent groups b. None of them c. N = 15 and T test in two dependent groups d. N = 15 and T test in two independent groups e. N = 30 and T test in two dependent groups