Statistics

The arithmetic mean of a data set can be found by __________________________.

• Subtracting the lowest value from the highest value.

• Choosing the middle number

• Choosing the number that occurs most

• Finding the sum of the numbers and then dividing by the total amount of numbers in the data set

The median of a data set can be found by __________________.

• Subtracting the lowest value from the highest value.

• Choosing the middle number

• Choosing the number that occurs most

• Finding the sum of the numbers and then dividing by the total amount of numbers in the data set

The mode of a data set can be found by ___________________.

• Subtracting the lowest value from the highest value.

• Choosing the middle number

• Choosing the number that occurs most

• Finding the sum of the numbers and then dividing by the total amount of numbers in the data set

The median of the numbers 34, 32, 12, 65, and 45.

• 34

• 32

• 12

• 65

Which of the following statements is TRUE about Mean?

• There can be more than one mean

• On a data set, only one mean exists.

• Mean relies on the highest and lowest data.

• Mean refers to the element that occurs the most.

Which of the following statements is TRUE about MODE?

• It can be unimodal, bimodal or no mode.

• It refers to the number that occurs the most

• In the data, 2 numbers that occur the most can be mode.

• All that were mentioned in the other three options.

Find the mean of 1, 2, 3, 4, and 5.

• 7

• 3

• 4

• 2

On a container ship there were 30 small containers that each weighed 3 tons, 20 medium containers that each weighed 5 tons and 10 large containers that each weighed 8 tons. Find the mean weight of the containers on this ship.

• 4.5 tons

• 4 tons

• 5 tons

• 5.5 tons

Maria bowled 7 games last Friday. Her scores are 155, 165, 138, 172, 127, 193, 142.

What is Maria’s median score?

• 127

• 155

• 156

• 193

Maria bowled 7 games last Friday. Her scores are 155, 165, 138, 172, 127, 193, 142.

What is mean score?

• 516

• 615

• 165

• 156