Measures of Position for Ungrouped Data Flashcard

Front

How many equal parts does decile divide the data into?

Back

10

Front

In the context of ungrouped data, what does Q2 represent?

Back

The median

Front

Value of Q3 in the data set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15?

Back

12

Front

Ungrouped data

Back

Raw data that has not been classified

Front

What is true about percentiles?

Back

They divide the data into 100 equal parts

Front

Using Mendenhall and Sincich Method calculate the value of Q1 for the data set: 1, 3, 5, 7, 9?

Back

3

Front

What is the purpose of linear interpolation in statistics?

Back

To estimate values between two known values

Front

What is the upper quartile in the distribution? 80, 85, 86, 90, 93, 95, 96

Back

95

Front

Use Linear Interpolation to find the 3rd decile if it is in the 18.4th position, where X₁₈ = 25 and X₁₉ = 30.

Back

27

Front

The score points which divides the distribution in four equal parts.

Back

Quartile