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A sample of students attending Southeast Florida University is asked the number of social activities in which they participated last week. The chart below was prepared from the sample data.
a) What is the name given to this chart?
b) How many students were in the study?
c) How many students reported attending no social activities?
Use the continuity correction and describe the region of normal curve that corresponds to the indicated binomial probability. The probability of more than 50 right answers.
A side effect of a certain anesthetic used in surgery is the hiccups, which occurs in about 10 percent of the cases. If three patients are scheduled for surgery today and are to be administered this anesthetic, compute the probability that:
Is there evidence of difference in median performance between two methods? (Use α = 0.05.)
For each of the following problems, assume that the homogeneity of variance assumption has not been met and that you will need to use the adjusted Welch statistic.
Create one table that calculates summary measures of the change in test scores and income variables across all 80 schools.
Compute the mean and standard deviation of the scores and use these for the calculations below. Show your calculations on the back of his page.
A box contains 9 tickets numbered 1 to 9 inclusive. If 3 tickets are drawn from a box one at a time, find the probability that they are alternative after (1) odd, even, odd or (2) even, odd, even.
Find the regression equation and percentage of variance and test whether the equation is significant portion of the variance.
What is the net income of SouthCo if unit sales are twice the break-even point for a given month?
Given the same significance level, a ________ value of t will be required to reject the null hypothesis compared to the value of z required for rejection.
The probability that home sales will increase in the next 6 months is 0.25. The probability that the interest rates on loans will go up in the same period is estimated to be 0.74.
The Central Limit Theorem states that the sampling distribution of means is:
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