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Each question below comprises a single step in an independent groups t-test.
1) For each of the given data sets, calculate sum of squares for A and B.
Set A Set B
4 3
6 4
7 5
8 6
10 7
2) Find the pooled variance using the information in step 1.
3) What is the standard error for this t-test?
4) Now, calculate t.
5) Assume that a = .01 for a two-tailed, independent groups, t-test. Find tcritical and determine whether the researcher rejects or fails to reject H0.
You are assigned to be part of a team of three analysts of a global management consulting company where of the entire work force of analysts. 55% have had no experience in telecommunications
If six pieces come off of a hot press, find the probability that two are Grade A, three are Grade B, and one is a Cull.
barrons reported that the average number of weeks an individual is unemployed is 17.5 weeks barrons february 18 2008.
Find the height such that about 25% of college women are shorter than that height. What is the percentile ranking for that height?
Give the name of the kind of sampling that was most likely used in each of the following cases.
In "An Informal Look at Use of Bakery Department Tongs and Tissues," a researcher named Trinkaus reported: "Of 108 people observed extracting
an accounting professor is notorious for being stingy in giving out good letter grades. in a large section of 140
Downhill Ski Resort in Colorado has accumulated information from records of the past 30 winters regarding the measurable snowfall. This information is as follows:
Refere to the sales volume data in the table below, Top shelf Sales Mean=41.6, Variance=249.84, What is the sample pooled variance Sp2
What is the minimum GPA that qualifies a student to graduate with honors - The mean of the distribution is 2.50 with a standard deviation of 0.5.
realturf is considering purchasing an automatic sprinkler system for its sod farm by borrowing the entire 35000
Is this a favorable game for the player or the dealer and why.?
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