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Question 1 (1 point) For each of the following variables, identify the level of measurement (nominal, ordinal,...

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Question

Statistics

Question 1 (1 point)

For each of the following variables, identify the level ofmeasurement (nominal, ordinal, interval, or ratio).
(I) Satisfaction level on a survey (e.g. very dissatisfied,satisfied, very satisfied, etc.)
(II) Year of high school graduation

Question 1 options:

1)

(I) Ordinal , and (II) Ordinal

2)

(I) Interval , and (II) Interval

3)

(I) Ordinal , and (II) Interval

4)

(I) Ratio , and (II) Nominal

5)

(I) Interval , and (II) Nominal

Question 2 (1 point)

Choose the description which best describes the shape of thisboxplot.

Question 2 options:

1)

Left-skewed

2)

Bimodal

3)

Contaminated

4)

Right-skewed

5)

Symmetric

Question 3 (1 point)

The five-number summary for a dataset on Grade Point Average isgiven in the table below. Using this information, calculate thepercent of values below 1.06.

Question 3 options:

1)

50%

2)

75%

3)

25%

4)

100%

5)

0%

Question 4 (1 point)

Suppose it is known that the mean and standard deviation of thescores on a statistics final are 74.45 and 5.75, respectively.Calculate an interval that is symmetric around the mean such thatit contains approximately 95% of scores. Assume that the scoreshave a normal distribution.

Question 4 options:

1)

(80.2, 68.7)

2)

(85.95, 62.95)

3)

(74.45, 5.75)

4)

(68.7, 80.2)

5)

(62.95, 85.95)

Answer & Explanation Solved by verified expert
4.5 Ratings (959 Votes)
Q1ISatisfaction level on a survey eg very dissatisfiedsatisfied very satisfied etcThis is ordinal variable Order of satisfactionmatters but we    See Answer
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