Unit 1 Test Review: Inferences and Data

Given the data: 136, 150, 119, 150, 125, 143.
Find the upper quartile (Q3)

•  125
• 150
• 139.5
• 143

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Given the data: 136, 150, 119, 150, 125, 143.
Find the standard deviation

•  11.85

• 12.98

• 11.86

• 137.17

Find the Median (Q2) of the following numbers: 84, 88, 72, 74, 98, 16, 94 

• 16
• 98
• 84
• There is no median.

What is the Q1 of this data set?
6, 7, 2, 1, 5, 2, 1, 6

• 1
• 1.5
• 2
• 2.5

Find the IQR (Q3 - Q1)  of the data

20, 22, 25, 29, 31

• 30
• 21
• 25
• 9

Given the data on the normal curve, what is the mean?

• 34%

• 1000

• 150

• 1150

Given the data on the normal curve, what is the standard deviation?

• 34%

• 1000

• 150

• 1150

Given the data on the normal curve, if you had to find the percentage of data less than 1450, would you need to find the z score?

• yes

• no

Given the data on the normal curve, if you had to find the percentage of data less than 1375, would you need to find the z score?

• yes

• no

At a local high school, GPA's are normally distributed with a mean of 2.9 and standard deviation of 0.6. What percentage of students at the high school have a GPA between 2.3 and 3.5?

• 68%
• 99.7%
• 95%
• 84%

Tags

CCSS.HSF-LE.A.1B