Given the following distribution of scores, which percentile would require inter
ID: 3227246 • Letter: G
Question
Given the following distribution of scores, which percentile would require interpolation to estimate the values?
X
f
cf
15–19
27
100
10–14
32
73
5–9
22
41
0–4
19
19
Which of the following is not an assumption for using the independent-measures t formula?
Which of the following would represent independent measures?
A researcher evaluating the significance of a Pearson correlation obtains r = 0.78 and is able to conclude that t = 1.34. Unfortunately, the researcher discovered an error in the original calculation. The actual r should have been –0.78. Once this is fixed, what is the actual t statistic?
In an analysis of variance, the primary effect of large mean differences within each sample is to increase the value for ______.
A researcher is working with a population of data. He needs the standard distance between sample mean and the population mean to be at most 1.3. If the standard deviation of the population is 5, how large will the sample size need to be?
Each score in a set of data is multiplied by 5, and then 7 is added to the result. If the original mean is 8 and the original standard deviation is 2, what are the new mean and new standard deviation?
Which of the following is not an assumption for using a repeated-measures ANOVA?
X
f
cf
15–19
27
100
10–14
32
73
5–9
22
41
0–4
19
19
Explanation / Answer
a)30 a) homogeneity of variance a) traffic tickets for men and women a)1.34 as we take the absolute value of statistic b) variance within treatments d)15 b)mean=47, sd=10 d)the no of treatments must be less than 3
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.