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

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What shape is this distribution?

left skewd

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

Standard Deviations

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

63

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

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

2

Find the median. 24 36 21 22

23

How do you find the range of a data set?

max - min

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

36.19 or 36.24

What does this stand for?

sample variance

What does this symbol stand for?

population variance

What are the 3 measures of central tendency?

mean, median, and mode

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

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

50% of the scores are 90 or below.

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

What is the median height of boys?

69

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

Square the sample standard deviation.

Round to 2 decimal places. 3.41279

3.41

What shape is this distribution?

right skewed

Round to 2 decimal places. 3.79984

3.80

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

72

The 5 number summary consists of ___________

Min, Q1, Med, Q3, Max

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

mean

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

6.95

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

5