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You have 4 groups that you are trying to find if there is a difference in any of the population means. In each group there are 7 observations. The given level of significance is an alpha of .005. Your MSA is 6,200 and your MSW is 1,000. Will you reject your null hypothesis that all population means are equal or will you not reject? Choose the best answer from the options below.
A. You will reject the null hypothesis
B. You will not reject the null hypothesis
C. The critical value is 5.52
D. A and C
E. B and C
What is the probability that the kickoff will go between 60 and 75 yards if the average kickoff is 50 yards with a variance of 49?
Is there any reasonable explanation for the two months that have the highest frequencies?
Compute the standard error of the sampling distribution of sample means.
On the same chart, produce a graph showing the original probability mass function, and a line graph showing your selected continuous probability density function.
The number of items rejected daily by the manufacturer because of defects for last 30 days are:
Which of the given properties doesn't apply to theoretical normal distribution?
You manufacture and sell an iron rod whose electrical conductivity is supposed to be 10.1. You plan to make 6 measurements of the conductivity of a rod you plan to sell.
Use this sample information to develop a 99% confidence interval for the population proportion of women who wear flats to work.
Test whether there is significant difference in the test anxiety level of the three groups using nonparametric test.
In chi-square goodness-of-fit test when there is close agreement between observed frequency and expected frequency, chi-square test value will be small.
A new machine has just been installed to cut and rough-shape large slugs. The slugs are then transferred to a precision grinder. One of the critical measurements is the outside diameter.
A research analyst regresses the number of calls for service (Y) on the Fahrenheit temperature at 4:00 in the afternoon (X). The regression equation finds: Y = 62 + 2.4 X with an r 2 of .67
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