Daily Quiz 3 Standard Deviation

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?

• 193
• 127
• 60
• 66

Tags

CCSS.7.NS.A.1C

All of the below sets have the same mean.
Set 1-Standard Deviation=3.1
Set 2-Standard Deviation=4.9
Set 3-Standard Deviation=1.7
Set 4-Standard Deviation=3.2
Which set of data probably has the points closest to the mean?

• 1
• 2
• 3
• 4

List each set of data by color from the lowest standard deviation to the highest standard deviation.

• blue, green, pink, red

• red, pink, green, blue

• pink, green, red, blue

• blue, green, red, pink

Tags

CCSS.HSS.ID.A.3

A data set has a mean of 290 and a standard deviation of 20. Calculate the z-score for 265.

Tags

CCSS.HSS.ID.A.4

Use the image of the normal graph provided. What is the value of the mean?

• 6

• 34

• 52

• 70

Tags

CCSS.6.SP.A.3

Use the image of the normal graph provided. What is the value of the standard deviation?

• 6

• 12

• 36

• 18

In the formula for z-score what does the x stand for?

• the data point in question

• the mean of the data set

• the standard deviation of the data set

• the mode

Find the AREA for the z value

to the left of z=1.4

Round to three decimals

Mathematical Equivalence

ON

Tags

CCSS.HSS.ID.A.4