Scales of Measurements
Date Completed: _____________
Provide all solutions, answers and requested outputs after each question.
Question 1. A researcher claims that high blood pressure
causes heart attacks.
(a) state the independent variable and (b) the dependent variable
Question 2. Religion, as a variable, is continuous or
discrete and which of the four measurement scale
would be appropriate here?
Question 3. For each scale below. enter the key word or phase that characterizes that scale:
Question 4. A teacher uses three different sections of her
statistics class to compare different methods.
Her sample would be classified as?
Question 5. Sixty percent of the registered voters in a
county are Democrats, 30% are Republicans, and
the rest are Independents. A proportional stratified sample of the registered voters in the county
contains 420 Democrats. How many registered voters are there in the total sample?
(hint: 60% of voters are Democrats; total Democrats are 420).
Question 6. Given the following:
Compute (state answer to 2 decimal places)
Questions 7 through 10. Compute the following by filling out the table
|X||(X - 17.47)||(X - 17.47)2|