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Based on the Nielsen ratings, the local CBS affiliate claims its 11:00 pm newscast reaches 41% of the viewing audience in the area. In a survey of 100 viewers, 36% indicated that they watch the late evening news on this local CBS station. What is the null hypothesis? What is your decision if a = 0.01?
What is the best prediction for the number of products sold based on advertising costs of $7000?
The null hypothesis is the alternative is Use the given sample data to find out the P-value for the hypothesis test. Provide an interpretation of the P-value.
A faculty group wants to determine whether job rating (x) is a useful linear predictor of raise (y). Consequently, the group considered the linear regression model:
Find out sample standard deviation (s) of scores Gordon Golfer made on his last four rounds (determine to the nearest one tenth, or .1).
A sample of approx 25 students enrolled in the university points out that X (bar) = $315.4 and s = $43.20.
Calculate the population mean and compare it to the mean of the sampling distribution.
Public transportation and the automobile are two methods an employee can use to get to work each day. Samples of times recorded for each method are shown. Times are in minutes.
The Wilcoxon signed rank statistic, The mean for the Wilcoxon signed rank test and The P-value for the Wilcoxon signed rank test
Compute the correlation among the variables. Describe perfect correlation also negative correlation. Utilize the following data to answer questions related.
A game involving a pair of dice pays out $4 with probability 16/36, costs you $2 with probability 14/36, and costs you $6 with probability 6/36.
Using part(a), explain to investor differences between distribution of performance figures for the 2 kinds of stock funds.
A coin is flipped e times and heads (h) or tails (t) are recorded:
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