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Perform exploratory data analysis on CreativityPre and CreativityPost. Using SPSS, calculate the mean and standard deviation of these two variables.
Filtering and Summarizing Data
Many organizations are doing surveys to determine the satisfaction of their customers. Attitudes toward various aspects of campus life were the subject of one such study conducted at Purdue University.
An article by Julia Moskin in the New York Times reports on the use of cheap wine in cooking.18 Assume that the following results are taste-test ratings, from 1 to 10, for food cooked in cheap wine.
1)The term regression was originally used in 1885 by Sir Francis Galton in his analysis of the relationship between the heights of children and parents. He formulated the “law of universal regression,” which specifies that “each peculiarity in a man ..
A manufacturer of electronics kits has found
Q1: Fill in the missing components of the following frequency distribution constructed for a sample size of 50:Class Frequency Relative frequency Cumulative relative frequency
In a positive relationship I know that if X increases y increases but if x decreases and y decreases is this also a positive relationship?
Descriptives of a continuous variable: mean, median, skewness, kurtosis, standard deviation and graph of that variable Cross tabulation of two variables
Compute the sample mean and compute the sample variance and sample standard deviation - What is the average miles per gallon for city driving?
The diameter of a mechanical cylinder is 3 inches but can be as large as 3.03 inches and as small as 2.97 inches. If the process has a grand mean of 3.01 inches and a standard deviation of.02 inches. What is the probability of producing bad cylinde..
A company is considering expansion of its current facility to meet increasing demand. If demand is high in the future, the major expansion would result in an additional profit of $800,000, but if demand is low then there would be a loss of $500..
You are proposed to accept or reject a lottery which gives X with probability 1/3 and -1 with probability 2/3. Before accepting you receive a signal "g" (good) or "b" (bad). The signal has precision q=P(g|win)=P(b|lose)>1/2.
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