58% 0? WileyPLUS Lock, Statistics: Unlocking the Power of Data, 2e, Custom Wiley

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58% 0? WileyPLUS Lock, Statistics: Unlocking the Power of Data, 2e, Custom WileyPLUS Course for University of Kentucky WileyPLUS: MywileyPLUS I Help I Contact Us I Lo Statistical Methods Motivations (STA actice Assignment Gradebook ORION nment MESSAGE MY INSTRUCTOR FULL SCREEN PRINTER VERSION ·BACK NEX Chapter 3, Section 2, Exercise 044 In this exercise, data from a sample is being used to estimate something about a population Random samples of people in Canada and people in Sweden are used to estimate the difference between the two countries in the proportion of people who have seen a hockey game (at any level) in the past year Let group 1 be people from Canada and group 2 be people from Sweden. (a) Give notation for the quantity that is being estimated /2 2 1 Click here to start LINK TO TEXT acy Policy 1 2000-2018 John Wilcy &Sons.; Inc All Rights Reserved. A Division of 2ohn Wiley&SonsIns; Version 4.24

Explanation / Answer

Let P1 = Sample proportion of people in Canada who have seen a hockey game in the past year

and P2 = Sample proportion of people in Sweden who have seen a hockey game in the past year.

Now, the difference between the two countries in the proportion of people who have seen a hockey game in the past year is nothing but P1 - P2 .

Therefore, the notation for the quantity that is being estimated is P1 - P2 .

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