Measure of the Center: Mean

What statistic is used to describe categorical data?

• Mean

• Median

• Mode

• Range

What does the mode represent in a data set?

• The middle number when data is ordered

• The average value

• The difference between the highest and lowest values

• The most frequent number

Which of the following is NOT a measure of center?

• Mean

• Range

• Median

• Mode

What does the median represent in a data set?

• The difference between the highest and lowest values

• The middle number when data is ordered

• The average value

• The most frequent number

How is the mean calculated?

• By ordering the data and finding the middle value

• By adding all values and dividing by the number of values

• By subtracting the smallest value from the largest

• By finding the most frequent number

If Bianca, Jenny, and Xander shared 9 pieces of candy equally, how many pieces would each get?

• 3

• 2

• 4

• 5

If five friends shared 20 pieces of candy equally, how many pieces would each get?

• 3

• 6

• 4

• 5

What is the mean of the data set 0, 3, 2, 5, 10, 4?

• 3

• 5

• 4

• 6

How is a student's class grade calculated in Skyward?

• Based on test grades only

• Based on daily grades only

• A combination of daily and test grades

• Randomly assigned

What percentage of a student's grade is based on daily work?

• 80%

• 60%

• 40%

• 20%