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- A computer used by a 24-hour banking service is supposed to randomly assign each transaction to one of 5 memory locations. A check at the end of a day's transactions gave the counts shown in the table to each of the 5 memory locations, along with the number of reported errors. Memory Location: 1 2 3 4 5 Number of Transactions: 82 100 74 92 102 Number of Reported Errors 11 12 6 9 10 The bank manager wanted to test whether the proportion of errors in transactions assigned to each of the 5 memory locations differ. Which test would be used to properly analyze the data in this experiment? χ2 test for difference among more than two proportions χ2 test of independence McNemar test for the difference among more than two proportions McNemar test for the difference between two proportionsConsider a population consisting of the following five values, which represent the number of video downloads during the academic year for each of five housemates. 9 13 18 10 11 a.) Compute the mean of this population. b.) Select a random sample of size 2 by writing the five numbers in this population on slips of paper, mixing them, and then selecting two. Calculate the mean for your sample. c.) Repeatedly select random samples of size 2, and calculate the x value for each sample until you have the x values for 25 samples. Describe your results. d.) Construct a density histogram using the 25 x values. Are most of the x values near the population mean? Do the x values differ a lot from sample to sample, or do they tend to be similar?When companies are designing a new product, one of the steps typically taken is to see how potential buyers react to a picture or prototype of the proposed product. The product-development team for a notebook computer company has shown picture A to a large sample of potential buyers and picture B to another, asking each person to indicate what they "would expect to pay" for such a product. The data resulting from the two pictures are provided in file (sheet 6). Using the 0.05 level of significance, determine whether the prototypes might not really differ in terms of the price that potential buyers would expect to pay. Sheet 6 ComputerA ComputerB 3 317 2 965 2 680 3 083 3 286 3 137 2 859 2 950 2 693 3 161 2 945 2 918 2 908 3 158 3 193 3 082 3 240 2 903 3 040 3 103…