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How do you find the median of a data set that has two middle numbers?
You pick the higher middle number
You pick the lower middle number
Add the two middle numbers and divide it by 2
Subtract the two middle numbers and divide by 2
Which measure of central tendency would best represent this data?
Which measure of central tendency best represents this data?
The mean of this data set is 17.8. What would happen to the mean if 40 was added to the data set?
The mean would not change
The mean would go up
The mean would go down
What does the standard deviation tell us about the data set?
How spread out the numbers are
How much each number in the data set increases by
How much each number in the data set decreases by
What is normal distribution?
A symmetrical bell-shaped graph
A graph that is skewed to the right
A graph that is skewed to the left
What is the mean of this set of data?
2, 15, 7
If you score 76, 85, 97, and 83 on your last 4 math tests, what would the score of your 5th test have to be to receive a 87 in the class?