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The main purpose of this exercise is to convince you that LSD should not be used
In anova.sav you find simulated data for a normally distributed variable Z ~ N(µ,1). In groups 1 to 6 µ=0, while in group 7 µ=0.5.
How many pairs are there? Verify from the output achieved above that this is the factor used to achieve Bonferroni p-values from LSD p-values. What pairs are significant according to LSD and what pairs are significant according to Bonferroni?
The researcher computes the sum of squares for groups as SSG = 40030 and the sum of squares for error as SSE = 414780. The numerical value of the ANOVA F statistic is
If p denotes the p -value of the corresponding hypothesis test, which of the following is true?
In addition, record the values for the UCL, center line, and LCL. Also, record any points that are out of control. Use a z-value of three.
Determine relative frequency of X=4? Generate the cumulative frequencies.
Use frequency distribution to create a probability distribution, determine the (b) mean,(c) variance.
A certain random experiment can result in one of four different possible outcomes, which we'll call A, B, C and D.
Let p represent the proportion of registered voters in the state that would vote for the Republican candidate. The standard error for the proportion of those who phoned in who answered "yes" is
By using the maximax criterion, what decision should be made by the decision maker?
The standard deviation of grade points was 0.65 and the mean was 2.89. The standard error for the sample was
Based on surveys conducted in 1989 and 1999, a researcher compared the proportion of high school age females interested in a career in science in 1989 with the proportion in 1999. He concluded that the proportions were not significantly different ..
To determine whether there exists mean difference among the groups:
Using part(a), explain to investor differences between distribution of performance figures for the 2 kinds of stock funds.
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