Each of two samples has a standard deviation of 5. If the two sets of data are made into one set of 10 data values, will the new sample have a standard deviation that is less than, about the same as, or greater than the original standard deviation of 5? Make up two sets of five data values, each with a standard deviation of 5, to justify your answer. Include the calculations.
Answer to relevant QuestionsRefer to the table of exam scores in Table 2.16 on page 84 for the following. a. Using the concept of depth, describe the position of 91 in the set of 50 exam scores in two different ways. b. Find P20 and P35 for the exam ...Definitions of e-mail spam, or junk e-mail, typically include the idea that the e-mail is unsolicited and sent in bulk. Beginning in the early 1990s the amount of email spam grew steadily until recently, with a total volume ...Major League Baseball stadiums vary in age, style, number of seats, and many other ways. But to the baseball players, the size of the field is of the utmost importance. Suppose we agree to measure the size of the field by ...a. What does it mean to say that x = 152 has a standard score of +1.5? b. What does it mean to say that a particular value of x has a z-score of - 2.1? c. In general, the standard score is a measure of what? a. What proportion of a normal distribution is greater than the mean? b. What proportion is within 1 standard deviation of the mean? c. What proportion is greater than a value that is 1 standard deviation below the mean?
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