Chi-Square Statistical Reasoning

What is the expected value for all cells, if we assume that this is a fair six sided die?

• 96
• 16
• 8
• 1/6

Tags

CCSS.HSS.MD.A.2

CCSS.HSS.MD.A.3

CCSS.HSS.MD.B.5

What does "mean" mean?

• average
• middle
• repeats the most
• variation

What does "mode" mean?

• average
• middle
• repeats the most
• variation

What is the mode in the set of data?
2,2,2,4,4,5,6,6,6,7

• 2
• 6
• 2 and 6
• 2,4, and 6

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

To find the mean of a set of numbers, add up all the items and divide by...

• 2
• The least number
• The maximum or biggest number
• The number of items in the data set

What is the interquartile range (IQR)?

• 4
• 64
• 60
• 8

Three out of every 10 students age 8-12 have a cell phone.  Suppose there are 30 students in Annabelle's class.  About how many would have a phone?

• 3
• 9
• 10
• 15

Leslie's  team won 12 of their last 20 basketball games.  Find the probability her team will win the next game.

• 4/6
• 50%
• 40%
• 60%

Leadership asked every tenth student in the lunch line if they enjoyed the newscast.  The result was 65% enjoyed it.  What type of sample is this?

• Voluntary
• Simple Random
• Systematic Random
• Convenience