Stats Ch 3 Vocab Practice

What is the area of variation between upper and lower limits on a particular scale?

• mean
• median
• mode
• range

Subtracting EACH data number from the mean, squaring the answer, and then adding each final squared answer together.

• sample variance
• square of sums
• sum of squares
• resistant mean

What is the name given to the lines that connect the lowest value to the Q1 value and the highest value to the Q3 value?

• Whisker
• Median
• Percentiles
• Interquartile Range

A value that is extremely lower or higher than most of the other values in a set of data.

• Whisker
• Low # or high #`
• Outlier
• Oddity

Finding the intervals from the mean... + or - 2 times the standard deviation ...+ or - 3 times the standard deviation...+ or -4 times the standard deviation.

• Coefficient of Variation
• Chebyshev's Theorem
• Standard Deviation
• Population Mean

what is the relative position of data instead of exact values?

• Quartiles
• Median
• Percentiles
• Standard Deviation

What is it called when the data is divided into fourths?

• Quartiles
• Median
• Percentiles
• Standard Deviation

What tells us the spread of the middle half of the data?

• Quartiles
• Median
• Box & Whisker Plots
• Interquartile Range

What is included in the 5 # summary?

• 8675309
• lowest, q1, median, q3, highest
• lowest, q2, median, q4, greatest
• lowest, q1, middle, q2, highest

How do we display our 5 # summary?

• Bar graph
• Histogram
• Frequency Chart
• Box-and-Whisker plot