On a comparison test of 3 brands (Brand A, B, C) among 200 people Brand A (the focus) has their product evaluated in either first or second position among the 200 people. The test only compared two...

On a comparison test of 3 brands (Brand A, B, C) among 200 people Brand A (the focus) has their product evaluated in either first or second position among the 200 people. The test only compared two...

How many hours did mary sleep last night? is that a Statistical question.

Historically, a manufacturer finds that 1% of integrated circuits of a certain type fail during burn-in testing. Burn-in testing results (pass/fail) on the latest shipment of 10,500 circuits are to...

Assume that the data has a normal distribution, n = 45 and that σ is known. Find the appropriate critical value used to test a null hypothesis about a mean with α = 0.05 for a right-tailed test....

Ho: σ = 5.2 α = 0.01 n = 23 s = 6.1 H1: σ > 5.2

Cans of regular soda have volumes with a mean of 13.39 13.39 oz and a standard deviation of 0.12 0.12 oz. Is it unusual for a can to contain 13.61 13.61 oz of soda

A group of female adults was weighed. The frequency distribution was a normal shape and the mean weight was 137 pounds, with a standard deviation of 23.77. What is the weight of a person who is in...

IN CANADA, THE PROPORTION OF ADULTS WHO FAVOR LEGALIZED GAMBLING EQUALS 0.50. NULL OR ALTERNATIVE?

A survey claims that 9 out of 10 doctors (i.e., 90%) recommend brand Z for their patients who have children. To test this claim against the alternative that the actual proportion of doctors who recommend...

The manufacturer of a refrigerator system for beer kegs produces refrigerators that are supposed to maintain a true mean temperature, μ, of 48°F, ideal for a certain type of German pilsner. The owner...

Determine whether the hypothesis test involves a sampling distribution of means that is a normal distribution, Student t distribution or neither. Claim: μ > 23.8 Sample data: n = 24, = 27.1,...

A regression analysis provided information about a regression line that can be used for predicting sunshine values from rainfall values using the data from 25 months in the sample. The student now...

I have to enter data into spss that is already given to me the study description is bellow. i would like to know three things; 1 is this a one-way or two-way anova? 2. is it repeated or independent...

A college offers two courses in Calculus - Calc 1 and calc 2. Last semester, 60.9% of students took calc 1 and the rest took calc 2 ( no student took both the courses). Of the students who took calc...

A. Make a table of the possible moves and the probability of each ? B. what is the expected value of the move ? C. what is the standard deviation?

akili has two tests, the probabil that he will pass the first test is 3/4. How he does on the first test affects the second test. If he passes the first test there is a 4/5 chance that he will pass...

Four cubes. each with faces numbered 1 to 6 are rolled. To the nearest one thousandth, what is the probability that the largest of the 4 scores is a 6? a)0.096 b)0.386 c)0...

Based on a Harris poll 20% of adults smoke. If 2 adults are randomly selected what is the probability that they both smoke?

Let X be the score when a cube with faces 1 through 6 is rolled. You are given that E(X)= 3.5 and SD(X) =1.708. A cube with faces 1 thru 6 is rolled 50 times. Which of the following most...

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