Assignment: Answer the following questions1. One sample of n=20 scores has a mean of M=50. A second sample of n=5 scores has a mean of M=10. If the two samples are combined, what is the mean for the combined sample?2. Identify the circumstances in which the median rather than the mean is the preferred measure of central tendency.3. One question on a student survey asks: In a typical week, how many times do you eat at a fast food restaurant? The following frequency distribution table summarizes the results for a sample of n=20 students.f223643a. Find the mode for this distributionb. Find the median for the distributionc. Explain why you cannot compute the mean number of times using the data in the table. 4. Can SS ever have a value less than zero? Explain your answer5. What does it mean for a sample to have a standard deviation of s=5? Describe the scores in such a sample. Describe where the scores are located relative to the sample mean.6. For the data in the following sample:8, 1, 5, 1, 5a. Find the mean and the standard deviation.b. Now change the score x=8 to x=18, and find the new mean and deviation. c. Describe how one extreme score influences the mean and standard deviation.

Problem 1One sample of n=20 scores has a mean of M=50. A second sample of n=5 scores has a meanof M=10. If the two samples are combined, what is the mean for the combined sample? Solution Let the…

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