Exploring Measures of Central Tendency in 7th Grade Math

What are the three main measures of central tendency discussed?

• Mean, Median, Range

• Mean, Median, Mode

• Median, Mode, Range

• Mean, Mode, Range

What is another term commonly used for 'mean'?

• Median

• Mode

• Average

• Range

How do you calculate the mean of a data set?

• Add all numbers and multiply by the number of data points

• Add all numbers and divide by the number of data points

• Subtract the smallest number from the largest

• Find the middle value of the data set

What must be done to a data set before finding the median?

• Sum all the data points

• Arrange the data in numerical order

• Convert all numbers to percentages

• Identify the most frequent number

If a data set has an even number of entries, how is the median determined?

• Pick the highest number

• Average the two middle numbers

• Choose any number in the set

• Subtract the smallest from the largest

What does the mode represent in a data set?

• The middle value

• The difference between the highest and lowest values

• The most frequently occurring number

• The average of all data points

How is the range of a data set calculated?

• Subtract the mean from the median

• Add the highest and lowest values

• Multiply the highest value by the lowest

• Subtract the lowest value from the highest

What is the mean of a data set if the sum of its elements is 108 and there are 9 elements?

• 12

• 10

• 11

• 9

In a data set with an odd number of elements, how is the median found?

• It is the number right in the middle

• It is the most frequently occurring number

• It is the sum of all numbers divided by their count

• It is the average of all numbers

What is the range of a data set with the highest value of 19 and the lowest value of 6?

• 15

• 13

• 25

• 11