Homework 1 1. A politician who is rumning for mayor of Riverside with 350,000 re
ID: 3350670 • Letter: H
Question
Homework 1 1. A politician who is rumning for mayor of Riverside with 350,000 registered voters conducts a survey. In the survey, 76% ofthe 500 registered voters interviewed say they planned to vote for A) What is the population of interest? B) What is the sample C) Is the 76% a parameter or a statistic? 2· The grades on a statistics exam for a sample of 40 students are as follows: 68 69 Construct frequency and relative frequency distributions for the data using seven class intervals using Excel. Submit excel file separately 3· The following table represents exam grades from 36 students m a statistics class. Construct a pie chart using classes with grades 51-60, 61-70, 71-80, 81-90, and 91-100, using Excel. Submit excel file separately 75 89 62 98 36 34 58 36 31 95 98 85 32 38 75 78 31 85 36 68 4· The following data represents the years of service for 10 employees at a particular company. (Show mathematical steps in detail to receive full credit) 8 16 2 6 5 6 10 15 A) Calculate mean, and variance B) Calculate 75 percentile C) Determine the quartilesExplanation / Answer
1.
A) 350,000 registered voters
The population of interest is the 350,000 registered voters
B) 500 registered voters
The sample is the 500 registered voters that were interviewed
C) statistic
The 76% is a statistic
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