Stat DAY 2.10 Centers, Variability, Boxplots, Outliers

What is the definition of the mean?

• The average
• The middle number
• The difference between the highest and lowest numbers
• The number that occurs the most

Tags

CCSS.6.SP.B.5C

What is the mean of these numbers?
4,5,5,2,3,3,2,8

• 40
• 24
• 4
• 256

Tags

CCSS.6.SP.B.5C

What is the first thing you should do before finding the median or the mode?

• Start crossing numbers off

• Put numbers in order from least to greatest

• List the numbers how they are

• Look for repeats

Tags

CCSS.6.SP.B.5C

When finding the median, what do you do if there are two middle numbers?

• Add them together and divide by 2
• Write them both as the answer
• Give up
• Pick one

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Find the median:
3, 5, 7, 4, 3, 1

• 3 and 4
• There isn't one
• 3.5
• 3

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the shape of the data shown?

• Skewed left

• Skewed Right

• Symmetric

• Bell shaped

Tags

CCSS.6.SP.A.2

CCSS.6.SP.B.5

Which of the following best describes the shape of the distribution?

• SKEWED LEFT
• SKEWED RIGHT
• UNIFORM
• SYMMETRICAL

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.B.5

What measure best describes the center of the data distribution?
*Hint - If the data is uniform or symmetric, the use either mean or median.  If the data is skewed, then use the median.

• spread
• mean
• peak
• median

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

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

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the standard deviation for the data given: (use your calculator!!)

5, 10, 7, 12, 0, 20, 15, 22, 8, 2

• 6.89

• 10.1

• 7.26

• 9