A polling company surveys 1000 people, asking their age, gender, number of hours
per week spent on leisure activities, and amount of money per week spent on leisure activities. How many variables does the survey include?
The Ontario government wants to know how people will vote in the upcoming election. What is the population for this survey?
a Everyone in Ontario
b All people in Ontario who are eligible to vote in the Ontario provincial election as of election day
c Everyone who lives in Ontario cities
d All people who belong to the governing political party
A house is described by its floor area, number of rooms, number of storeys, and the asking price. The variables are ____________.
a) a mixture of quantitative and qualitative
b) all quantitative, with some continuous and some discrete
c)all quantitative and discrete
d) all quantitative and continuous
What kind of survey question is this?
Describe your experience in our store today.
What kind of bias is most evident in the following question?
"The governing party recently introduced some major tax cuts for everyone. What party are you planning to vote for in the upcoming election?"
The Canada Border Services Agency wants to know public impressions of the quality of service at five different border crossings. On a particular day, they label the crossings A, B, C, D, and E and number the people at each crossing 1, 2, 3, .... If the following people are selected to be surveyed, what kind of sampling technique is being used?
A252, C783, B1109, C859, B8645, D5956, D903, E1209, B3294, A230, B2934, A4456, B7, B776, A228
a)Simple random sample
b)Systematic random sample
c)Stratified random sample
d)Multi-stage random sample
Given the following data, determine the best approximation for the mean.
20 20 20 25 26 29 31 31 25 36 38 40
Given the following data, determine the best approximation for the population standard deviation, σx.
18 27 20 25 26 22 31 31 25 36 21 40
Given the following data, determine the median.
20 27 20 25 26 29 31 31 25 36 40 40
The correct answers are: 1) b-4 the variables are : age, gender, number of hours...and amount of money... 2) b All people in... View the full answer