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WorksheetsStats 1.1-1.3 Assignment
Total questions: 25
Worksheet time: 30mins
Identify the following data set:
....a manager of a movie theater was asking customers at the concession stand how they would rate the theater’s staff
Population
Sample
A beverage company wanted to see if people in the United States liked their new logo. Which choice best represents a population?
A selection of logo artists.
Every person in the United States.
A selection of shoppers from different states.
3,800 children age 5 - 15
A musician wanted to see what people who bought his last album thought about the songs. Which choice best represents a sample? .
Every person who bought the album.
A selection of people who didn't want to buy the album.
250 girls who bought the album
A selection of 3,294 people who bought the album.
A gaming website wanted to find out which console its visitors owned. Which choice best represents a population?
Visitors to the 3DS section.
All of the website visitors.
Visitors to the PS4 section.
Visitors who are on the website for more than 5 minutes.
The statistic is a number describing the:
population
sample
survey
percent
The parameter is a number describing the:
population
sample
survey
percent
Before a nation-wide election, a polling place was trying to see who would win. Which choice best represents a sample?
A selection of voters over age 50.
A selection of male voters.
A selection of voters of different ages.
All voters.
Categorical (Qualitative)
Categorical (Qualitative)
Categorical (Qualitative)
Categorical (Qualitative)
Which of the following is an example of quantitative data?
High School Graduate or Not
Monthly paycheck amount
Whether or not you are employed
What type of vehicle you drive
One group of subjects was given an herbal supplement and another group was given a placebo. After one year, the number of illnesses each group had was compared.
Observational Study
Experiment
A researcher stood at a school parking lot entrance to see if the color of a car is related to the driver not wearing a seatbelt.
Observational Study
Experiment
Four groups of randomly selected people are assigned a different diet. After six months, the blood pressures of each group are compared.
Observational Study
Experiment
An easily accessible
sample is chosen
random sample
systematic sample
voluntary sample
convenience sample
When a random sample starting
point is chosen, followed by every
n-th individual, this sampling
method is
random sampling
stratified sampling
systematic sampling
To get reactions about a particular new car, readers of a car magazine were asked to mail in their answers to a survey. Classify this sampling technique. (Voluntary)
simple random
systematic
voluntary
convenience
Everyone in the sample
has equal chance
random sample
systematic sample
voluntary sample
convenience sample
Bob asks 10 of his friends to determine what
percentage of students participate in sports.
random sample
systematic sample
voluntary sample
convenience sample
The chart on the left shows the statistics on test scores in period 1 and period 5. Which is true?
The average test score is higher for period 5, but the data is more spread out.
The average test score is higher for period 1, but the data is more spread out.
The average test score is higher for period 5, and the data is more consistent (closer to the mean) than period 1.
The average test score is higher for period 1, and the data is more consistent (closer to the mean) than period 5.
What is the standard deviation for the data given:
5, 10, 7, 12, 0, 20, 15, 22, 8, 2
6.89
10.1
7.26
9
{12, 13, 29, 18, 61, 35, 21}
