IED Descriptive Statistics

Front

mean, median, mode

Back

measures of center

Front

The median splits our data so that ___% of our values are lower and____% higher.

Back

50

Front

If we have ____ numbers, the median is the number in the direct middle.

Back

Odd

Front

Most frequently observed value in a dataset.

Back

Mode

Front

The N represents ________ data values in the formula for mean

Back

number

Front

Statistics that are grouped in either extreme direction are said to be _____

Back

skewed

Front

The IQR for Brand A equals:

Back

17 cm

Front

Which measure of center should be used to compare the distributions?

Back

median

Front

What is the difference between measures of center and measures of spread?

Back

Measure of center focuses on the middle of data (average) vs. the measure of spread focuses on the range.

Front

Calculate the mean of the data: 3; 4; 5; 7; 7; 7; 7; 8; 8; 9; 9; 10; 10; 10; 10; 10; 11; 12; 12; 13; 14; 14; 15; 15; 17; 17; 18; 19; 19; 19; 21; 21; 22; 22; 23; 24; 24; 24; 24

Back

13.95