Arithmetic Mean

Find the mean of the given data 21.5 cm, 63.7 cm, 18.9 cm, 34.1 cm, 75.6 cm

• 44 cm
• 43 cm
• 42.76 cm
• 42.76

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

The masses of six children are 34.5 kilograms, 42.6 kilograms, 39.8 kilograms, 40.1 kilograms, 53.4 kilograms, and 33.8 kilograms. Find the mean mass.

• 40.7 kg
• 40
• 41
• 50

Tags

CCSS.6.NS.B.3

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the arithmetic mean of

2, 10, 6, 4, 4, 6, 4, 1, 7, 8, 2, 2, 9, 5,

3, 7, 3, 2, 8, 7

• 100

• 2

• 20

• 5

Find the mean of the following numbers 40, 38, 46, 38, 51 and 57.

• 45
• 40
• 38
• 35

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is another word for AVERAGE?

• Mode

• Median

• Mean

• Not nice

Tags

CCSS.6.SP.A.3

The mean of four numbers is 10.

Three of the numbers are 9, 11 and 7.

Work out the fourth number.

• 9

• 13

• 11

• 15

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.SP.A.3

The mean of five numbers is 8.2.

Four of the numbers are 8, 10, 12 and 10.

Work out the fifth number.

• 10

• 11

• 1

• 3

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.SP.A.3

Mr Holland gives his class a test. The results are:

34%, 44%, 75%, 21%, 98%, 86%, 71%, 76%, 63%, 55%

How many students scored above the mean percentage?

• 4

• 5

• 6

• 7

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Five houses on a street are sold in one year. They sell for:

£175,000 £184,000 £150,000 £201,000 £191,000

Calculate the mean price.

• £180,200

• £175,000

• £185,700

• £182,400

Tags

CCSS.6.NS.B.3

CCSS.6.SP.A.3

CCSS.6.SP.B.5

The average amount earned by 110 juniors for a week was $35, while during the same week 90 seniors averaged $50.  What were the average earnings for that week for the combined group?

• $41.75
• $43.50
• $47.55

Tags

CCSS.6.NS.B.2

CCSS.6.NS.B.3

CCSS.6.RP.A.3

CCSS.6.SP.A.3

CCSS.6.SP.B.5