STAT 203 Midterm: STAT203 Midterm 2 Solution

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24 Oct 2018
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Your solutions should be presented in a legible and logical form. Do not forget to state any assumptions you are using. Do not fail to describe what you are doing: following are ve true or false questions. 2. (a) [3] use the table of random numbers below to get a random sample of 5 numbers between 1 and 100. Then we need to choose a two-digit number. I chose the number 3 in the rst row and second column. The number to the right of it is a 1. The next two numbers to the right are 7 and 5, so my next number is 75. I now have 5 numbers. (b) [2] describe quota sampling and discuss its advantages and disadvantages. P = 0. 38, n = 400. sp = (cid:115) (cid:115) 0. 000589 = 0. 02427. (b) [2] find the 95% con dence interval for the population proportion.