Pre-Assessment Probability and Statistics Algebra 1

Towards the end of season, a netballer had played 14 matches and had an average of 16.5 goals per game. In the final two matches of the season she threw 21 goals and 24 goals. Find the netballer’s new average.

• 18.46
• 11.37
• 19.01
• 17.25

Tags

CCSS.6.NS.B.3

Find x if 5, 9, 11, 12, 13, 14, 17 and x have a mean of 12.

• 15
• 16
• 17
• 18

The mean of eight numbers is 41. The mean of two of the numbers is 29 What is the mean of the other six numbers? 

• 34
• 55
• 45
• 72

What is an outlier?

• A value that is much less or much greater than the other values in a data set.

• The difference between the upper and lower quartiles of a data set.

• The mean of the distances from each data value in a set to the mean of that set.

• The difference between the greatest and least numbers in a data set.

It is a single value that attempts to describe a set of data by identifying the central position within that set of data.

• Measures of Central Tendency

• Measures of Variation

• Measures of Position

How would you grade your knowledge of mean, median, mode, and range

• A - I completely understand everything

• B - I understand most of them

• C - I understand some, but still need to work on some too

• D - I am not really understanding how to do these

According to the two-way table, a person who plays an instrument is most likely to:

• Not play an instrument
• Not play a team sport
• Play a team sport
• All of the above

What percentage of the days that it rained, did they forecast no rain?

• About 20%
• About 18%
• About 14%
• About 12%

Tags

CCSS.6.RP.A.3C

How many sophomores like burritos and pizza?

• 6
• 5
• 11
• 50

True of false, 75% of the data values are greater than 18?

• True
• False, 75% of the values are greater than 16
• False, 50 % of the values are greater than 18
• False, 25% of the values are greater than 18