SCENARIO 2-4 a Survey Was Conducted to Determine How People Rated the Rated

question 23

Multiple Choice

SCENARIO 2-4
A survey was conducted to determine how people rated the quality of programming available on television.Respondents were asked to rate the overall quality from 0 (no quality at all) to 100 (extremely good quality) .The stem-and-leaf display of the data is shown below.

-Referring to Scenario 2-4,what percentage of the respondents rated overall television quality with a rating from 50 through 75?

• A)11
• B)40
• C)44
• D)56

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Definitions:

Student Test Scores

Quantitative measurements of a student's academic performance on standardized tests or examinations.

Median Value

The middle number in a sorted, ascending or descending, list of numbers and can be more descriptively considered the central value of a data set.

Average Value

The average value is a single number representing the central or typical value in a set of data, often calculated as the sum of all values divided by the number of values.

Margin Of Error

An expression of the amount of random sampling error in a survey's results, indicating the range within which the true value lies.