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WorksheetsCollecting and Analyzing Data
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
A 1999 study claimed that Infants who sleep at night in a bedroom with a light on may be at higher risk for myopia (nearsightedness) later in childhood. The researchers surveyed parents of 479 children aged 2 to 16 seen in the ophthalmology outpatient department of a children’s hospital. A questionnaire asked about the child’s nighttime light exposure at the time of the survey and before age two. They noticed a positive association between myopia and nighttime light exposure.
This is an example of an..........
This is an example of an..........
a)
experiment
b)
observational study
2.
The ages of a sample of 350 employees of a software company.
a)
qualitative
b)
quantitative
3.
The cholesterol levels of 20 patients in a hospital with 100 patients
a)
population
b)
sample
4.
The average annual salary for 35 of a company’s 1200 accountants is $68,000.
a)
parameter
b)
statistic
5.
eye colors of models
a)
qualitative
b)
quantitative
6.
What is the level of measurement on the vertical axis?
a)
nominal
b)
ordinal
c)
interval
d)
ratio
7.
What is the level of measurement on the horizontal axis?
a)
nominal
b)
ordinal
c)
interval
d)
ratio
8.
Questioning students as they leave a university library, a researcher asks 358 students about their drinking habits.
This is what type of sample?
This is what type of sample?
a)
cluster
b)
convenience
c)
systematic
d)
stratified
9.
Law enforcement officials stop and check the driver of every third vehicle for blood alcohol content.
This is what type of sample?
This is what type of sample?
a)
convenience
b)
cluster
c)
stratified
d)
systematic
10.
After a hurricane, a disaster area is divided into 200 equal grids. Thirty of the grids are selected, and every occupied household in the grid is interviewed to help focus relief efforts on what residents require the most.
This is what type of sample?
This is what type of sample?
a)
cluster
b)
convenience
c)
stratified
d)
systematic
11.
Chosen at random, 580 customers at a car dealership are contacted and asked their opinions of the service they received.
This is what type of sample?
This is what type of sample?
a)
convenience
b)
stratified
c)
simple random sample
d)
cluster
12.
Soybeans are planted on a 48-acre field. The field is divided into one-acre subplots. A sample is taken from each subplot to estimate the harvest.
This is what type of sample?
This is what type of sample?
a)
cluster
b)
simple random
c)
stratified
d)
systematic
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