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th 211 Summer 18> Assessment r 4 Quiz Timelimit: 60 minutes. 54:15 remaining. [x

ID: 2908795 • Letter: T

Question

th 211 Summer 18> Assessment r 4 Quiz Timelimit: 60 minutes. 54:15 remaining. [x] Show Intro/Instructions For each of the following situations, state whether the parameter of interest is a mean or a proportion. It may be helpful to examine whether individual responses are numerical or categorical ns (0/10) 10/10] (0/10) (0/10) (0/10) (0/10) 0/60 (a) A random sample of 120 fish was collected. The weight of each fish was measured. mean O proportion sion (b) In a survey, 500 individuals were asked "What percentage of the day do you spend on social media?" Answers ranged from 0% to 20%. mean ? proportion (c) In a random sample of 800 voters, the participants were asked if they supported or opposed a tax on sugary drinks proportion mean Points possible: 10 image 6546160 (4).JPG mage 6546160 (5).JPG

Explanation / Answer

a) Mean. As a specific number(weight) will be given.

b) Mean. As each individual will give a percentage.

c) Proportion. As the voters will answer in yes (they support) or no (they don't support).