Statistics Pretest

The following data lists the number of points a high school basketball team scored in the first 15 games of a 25 game season:

 $_1=56,_{\ 2}=58,_{\ 3}=62,_{\ 4}=50,$  
 $_{\ 5}=66,_{\ 6}=57,_{\ 7}=57,_{\ 8}=61,_{\ 9}=35,$  
 $_{10}=64,_{\ 11}=77,_{\ 12}=74,_{\ 13}=68,_{\ 14}=63,_{\ 15}=65$  


Evaluate: $\sum_{i=3}^5\left(2x_i+2\right)$ 

• 62 points

• 362 points

• 178 points

The following data lists the number of points a high school basketball team scored in the first 15 games of a 25 game season:

 $_1=56,_{\ 2}=58,_{\ 3}=62,_{\ 4}=50,$  
 $_{\ 5}=66,_{\ 6}=57,_{\ 7}=57,_{\ 8}=61,_{\ 9}=35,$  
 $_{10}=64,_{\ 11}=77,_{\ 12}=74,_{\ 13}=68,_{\ 14}=63,_{\ 15}=65$  


Find the mean.

• 60.9 points

• 9.97 points

• 62 points

Tags

CCSS.6.SP.B.5C

The following data lists the number of points a high school basketball team scored in the first 15 games of a 25 game season:

 $_1=56,_{\ 2}=58,_{\ 3}=62,_{\ 4}=50,$  
 $_{\ 5}=66,_{\ 6}=57,_{\ 7}=57,_{\ 8}=61,_{\ 9}=35,$  
 $_{10}=64,_{\ 11}=77,_{\ 12}=74,_{\ 13}=68,_{\ 14}=63,_{\ 15}=65$  


Find the appropriate standard deviation.

• 9.97 points

• 60.9 points

• 9.63 points

The following data lists the number of points a high school basketball team scored in the first 15 games of a 25 game season:

 $_1=56,_{\ 2}=58,_{\ 3}=62,_{\ 4}=50,$  
 $_{\ 5}=66,_{\ 6}=57,_{\ 7}=57,_{\ 8}=61,_{\ 9}=35,$  
 $_{10}=64,_{\ 11}=77,_{\ 12}=74,_{\ 13}=68,_{\ 14}=63,_{\ 15}=65$  


State the five-number summary.

• Maximum: 77 points 

  Minimum: 35 points 

  Median: 62 points
  

• Maximum: 77 points

  Minimum: 35 points

  Q1: 57 points

  Median: 62 points

  Q3: 66 points
  

• Maximum: 65 points

  Minimum: 56 points

  Q1: 62 points

  Median: 61 points

  Q3: 68 points
  

Tags

CCSS.6.SP.B.5C

The following data lists the number of points a high school basketball team scored in the first 15 games of a 25 game season:

 $_1=56,_{\ 2}=58,_{\ 3}=62,_{\ 4}=50,$  
 $_{\ 5}=66,_{\ 6}=57,_{\ 7}=57,_{\ 8}=61,_{\ 9}=35,$  
 $_{10}=64,_{\ 11}=77,_{\ 12}=74,_{\ 13}=68,_{\ 14}=63,_{\ 15}=65$  


Find the inter-quartile range of the data.

• 5 points

• 9 points

• 42 points

Tags

CCSS.6.SP.B.5C

The following data lists the number of points a high school basketball team scored in the first 15 games of a 25 game season:

 $_1=56,_{\ 2}=58,_{\ 3}=62,_{\ 4}=50,$  
 $_{\ 5}=66,_{\ 6}=57,_{\ 7}=57,_{\ 8}=61,_{\ 9}=35,$  
 $_{10}=64,_{\ 11}=77,_{\ 12}=74,_{\ 13}=68,_{\ 14}=63,_{\ 15}=65$  


Are there any outliers? If so, determine the value(s).

• No

• Yes, 35 points

• Yes, 35 points and 77 points

• Yes, 77 points

Do you feel like you understood all the questions pertaining to the high school basketball team's data? If not, state which question(s) by number and explain why.

Tags

CCSS.3.MD.B.3

The following chart shows the rainfall for Lockwood Farm in 2018. (You may want to sketch the chart to help answer the following questions.)

Note: CF stands for cumulative frequency and CRF stands for cumulative relative frequency.

What is the cumulative frequency for July?

• 30.47 inches

• 40.91 inches

• 4.57 inches

Tags

CCSS.6.SP.B.5C

The following chart shows the rainfall for Lockwood Farm in 2018. (You may want to sketch the chart to help answer the following questions.)

Note: CF stands for cumulative frequency and CRF stands for cumulative relative frequency.

What is the cumulative relative frequency for November?

• 6.86 inches

• 56.42 inches

• .909 inches

Select the correct cumulative relative line graph for the rainfall of Lockwood Farm:

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