Stats 2.3 - 2.5 | Baamboozle - Baamboozle | The Most Fun Classroom Games!

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What is the third quartile of the boy's heights?

72

Round to 2 decimal places. 3.79984

3.80

Find the sample standard deviation. Round to 2 decimal places. 24 36 21 22

6.95

The 5 number summary consists of ___________

Min, Q1, Med, Q3, Max

Find the z-score if the mean is 72, the standard deviation is 3.2, and the value is 70. Round to two decimal places.

-0.63

The median is the same as which quartile?

Second OR Q2

In a right skewed distribution, which is greater, the mean or the median?

mean

The empirical rule says that in a bell shaped distribution, 95% of the distributions data lies within ____ standard deviation(s) of the mean.

2

The z-score tells us how many __________ a value is from the mean.

Standard Deviations

What does this symbol stand for?

population variance

What does a z-score of -1.23 mean?

The value is 1.23 standard deviations below the mean.

What is the range of the girl's heights?

8

What shape is this distribution?

right skewed

How do you find the range of a data set?

max - min

What is the interquartile range of the girl's heights?

5

Round to 2 decimal places. 3.41279

3.41

What is the median height of boys?

69

What is the first quartile of the girl's heights?

63

Ally scored an 87 on her test. The class average was a 86 with a standard deviation of 4.9. Find Ally's z-score.

0.20

What shape is this distribution?

left skewd

A score of 90 is at the 50th percentile. What does this mean?

50% of the scores are 90 or below.

Find the median. 24 36 21 22

23

What are the 3 measures of central tendency?

mean, median, and mode

When you find sample standard deviation in your calculator, how do you get sample variance?

Square the sample standard deviation.

What does this stand for?

sample variance

Find the population variance. 2 decimal places. 24 36 21 22

36.19 or 36.24