Workshop 1 Scales of Measurements Name: _______________________________________ 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:

(a) Nominal

(b) Ordinal

(c) Interval

(d) Ratio

**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} |

13 | ||

17 | ||

10 | ||

16 | ||

22 | ||

22 | ||

18 | ||

15 | ||

12 | ||

19 | ||

22 | ||

18 | ||

18 | ||

17 | ||

23 | ||

N = |
= | = |

(10) |