MATH 255N WEEK 1 ASSIGNMENT, VARIABLES AND MEASURES OF DATA
1. Which of the following best describes the term explanatory variable?
________________________________________
Select the correct answer below:
________________________________________
the dependent variable in an experiment
...
MATH 255N WEEK 1 ASSIGNMENT, VARIABLES AND MEASURES OF DATA
1.Which of the following best describes the term explanatory variable?
Select the correct answer below:
the dependent variable in an experiment
a value or component of the independent variable applied in an experiment
a variable that has an effect on a study even though it is neither an independent nor a dependent variable
the independent variable in an experiment
2.Which of the following best describes the term qualitative?
Select the correct answer below:
a numerical characteristic of the sample
the type of data that is the result of measuring
the type of data that is the result of counting
an attribute whose value is indicated by a label
3.A zoologist measures the birthweight of each cub in a litter of lions. What is the level of measurement of the data?
Select the correct answer below:
nominal
ordinal
interval
ratio 4.Margaret is investigating if gender has any effect on political party associations. What is the response variable?
Select the correct answer below:
political party associations
gender
the number of people that are being studied
none of the above
5.Timothy is collecting data on number of dental cavities. What type of data is this?
Select the correct answer below:
qualitative data
discrete quantitative data
continuous quantitative data
none of the above
6.To determine whether or not number of siblings influences grade point average, Charles has designed a survey. What is the explanatory variable?
Select the correct answer below:
number of siblings
grade point average
the number of people surveyed
none of the above
7.What is the type of quantitative data that is the result of measuring?
Select the correct answer below:
qualitative
statistic
discrete
continuous
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