Identify the population and the sample size for the below question. A survey of 1353 American households found that 18% of the households own a
computer.
What is population is all American Households.
100
The accompanying box-and-whisker plot represents the cost, in dollars, of twelve CD’s.
a) What is the range of the costs of the CD’s?
b) What is the median?
What is
a. 22
b. 20.5
100
1. A sports writer wants to know which is the most popular college basketball team. Which group of people would give her the least biased answer?
A. every 4th person entering a college dining all B. every 4th student at a freshman orientation
C. every 4th person entering a grocery store
What is C
200
Define Median and Mode
Median is the middle number of a data set
Mode is the number that occurs the most in a set of data
200
A recent survey of 2625 elementary school children found that 28% of the children
could be classified obese. What is the population? What is the Sample?
Population: Elementary school children
Sample Size 2625
Students chosen
200
What city in the United States is nicknamed the windy city?
What is Chicago?
200
Give an example of a bias sample and a random sample.
answers will vary
300
What is the interquartile range ?
What is it is the range between Q1 and Q3.
300
A scientist is studying geese he tags 60 geese and releases them into the wild he then recaptures 100 geese, 12 of which are tagged. How many total geese can we estimate that there are?
What is 500 geese
300
Who is Peter Parker's secret identity?
Spider man
300
Give an example of a biased and random survey question
Answers will vary.
400
What is the Range and how do you calculate it?
What is the difference between the max and min values. You must subtract the min from the max
400
Estimate the population for the below scenario:
A scientist tags 175 cheetahs and releases them into the wild. He then recaptures 100 cheetahs, 35 of which are tagged. Estimate the population.
What is 500
400
How many siblings does Ms. Caterisano have?
2
400
Identify the problems with the below research proposal:
I want to determine how many middle school students in the U.S. play video games. I plan to post a survey on Mrs. Homerding's website and request for students in my class to fill it out.
What is
Small Sample Size: One class does not represent the entire US.
Voluntary Response: You are requesting the students to fill out the online survey
Convenience Sampling: Only students with the internet will be able to respond you are eliminating part of your population
500
What are the five data values you need to create a box and whisker plot?
Give the five data summary for the below data set:
1,2,3,4,5,6, 16
min: 1
Q1: 2
Median: 3.5
Q3: 5
Max: 6
Outlier: 16
500
A scientist is estimating the population of wild boars on fort stewart. He tags 15 wild boars and releases them into the wild. He then recaptures 50 wild boars, 5 of which were tagged.
Identify the population and Estimate the population