For each of the following statements below, decide whether it belongs to descriptive statistics or inferential statistics and provide a brief explanation for your answer. a) A car manufacturer wishes to estimate the average lifetime of batteries by testing a sample of 50 batteries. b) A politician wants to determine the total number of votes his rival obtained in the sample used in the exit poll.

For each of the following statements below, decide whether it belongs to descriptive statistics or inferential statistics and provide a brief explanation for your answer. a) A car manufacturer wishes to estimate the average lifetime of batteries by testing a sample of 50 batteries. b) A politician wants to determine the total number of votes his rival obtained in the sample used in the exit poll.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

A congressperson wants to come up with a single value to describe the prices of homes in their district. However, their district consists of a few homes that are extremely expensive compared to the others. Which descriptive statistic should they use? a. Range b. Mode c. Median d. Mean
Virginia polled a large sample of individuals to find the percentage of students with known food allergies and the percentage of students without known food allergies. Which of the following could sufficiently display the data if only the two given categories are to be included? Select the correct answer below: bar graph pie chart either a pie chart or a bar graph neither a pie chart nor a bar graph
The following are the distances (in miles) to the nearest airport for 13 families. 9, 10, 16, 24, 27, 30, 31, 34, 37, 41, 41, 46, 47 Notice that the numbers are ordered from least to greatest. Give the median, lower quartile, and upper quartile for the data set.
A pollster wants to know the average income of those who supported John McCain for president. He asks 100 supporters and calculates a mean of $67,543. Is this mean x overbar or mu ? A. mu , because it is calculated based off data from the entire population.. B. x overbar , because it is calculated based off data from the entire population. C. mu , because it is calculated based off data from a sample. D. x overbar , because it is calculated based off data from a sample.
The Department of the Census provides the following data table. single married widowed divorced total Male .129 .298 .013 .040 .48 Female .305 .057 .054 .52 Total .233 .603 .070 .094 1.0 a) Fill in the missing word for each of the totals. (What is being totaled in each column/row?) b) Find P(Widowed and Male). = .013 c) Find P(Widowed)=.070 d) Find P(Married or Female). Write out the formula you use so I know that you know what you are doing. e) Find P(Widowed and Divorced). Explain your answer. f) Are Divorced and Male Mutually Exclusive events. Why or why not?