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People's handshakes seem to be related to other aspects of their personalities (Chaplin, Phillips, Brown, Clanton, & Stein, 2000). For example, a firm handshake is negatively related to shyness. To measure the magnitude of this effect, a researcher obtained a sample of n =12 people who were rated as having firm handshakes and n = 8 who were rated as having weak handshakes. Both groups had 50% males and 50% females. Each individual was given a personality test measuring shyness. The average score for the firm handshake group was M = 43 with SS = 1170 and the average for the weak handshake group was M = 61 with SS = 990. Use the sample data to estimate how much difference there is in shyness between people with firm handshakes and people with weak handshakes. Make a point estimate and a 95% confidence interval estimate.
Write down the advantages and disadvantages of using computer software for decision making.
Write introduction to SPC (STATISTICAL PROCESS CONTROL)? Describe the use of SPC tools used at D2D?
The sample proportion of large gloves for each location is and . (Round your answers to 4 decimal places.)
What is the probability that a cereal would be high calorie, given that it is high fiber? In other words, what is P (high calorie, given high fiber)?
What is the probability that he completed the assignments?
Write a brief summary of the distribution of the area of homes.
Consider the following time plot of the values of variable Y for each month of a 60-month period. This plot displays
compute the expected value and variance of U.Determine Expected value and variance using uniform distribution.
Determine the probability that we would reject null hypothesis given that it is true?
The price of XYZ Corporation stock is normally distributed all through the year with mean of $42.00 per share and a standard deviation of $2.25 per share. Suppose that the stock is traded 240 days out of the year.
Form a frequency distribution and a percentage distribution that have class intervals with the upper class limits $99, $119, and so on.
Random sample of 100 people yielded following data on number of tissues utilized in a cold: x-bar = 38, s = 20. By using sample information provided, compute the value of test statistic for the relevant hypothesis test.
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