Exploring Measures of Central Tendency

What are the three measures of central tendency discussed?

• Mean, Median, Mode

• Range, Median, Mode

• Mean, Median, Variance

• Mean, Interquartile Range, Mode

Which measure tells you how spread out the data is?

• Median

• Mean

• Mode

• Standard Deviation

What does the graphing calculator not automatically calculate?

• Range

• Mode

• Median

• Mean

What is the formula for calculating the mean?

• Sum of all numbers / Total numbers

• Highest value - Lowest value

• Q3 - Q1

• Most occurring number

What symbol represents standard deviation in the calculator output?

• Q1

• Sigma

• M

• X bar

What is the correct formula for the range?

• Highest value + Lowest value

• Q3 - Q1

• Highest value - Lowest value

• Sum of all values / Number of values

Which statistical measures are recommended when there are outliers in the data?

• Mean and Range

• Median and IQR

• Mean and Standard Deviation

• Mode and Range

What does IQR stand for?

• Interquartile Range

• Internal Quality Review

• Internal Quantitative Range

• Inquiry Question Range

How do you find the mode in a frequency table?

• Difference between highest and lowest values

• Average of all numbers

• Least occurring number

• Most occurring number

What is the purpose of sorting data in the calculator?

• To find the mean more easily

• To identify the mode more easily

• To calculate the median

• To calculate the range