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Empirical Rule Practice

Authored by Kimberly Brazie

Mathematics

9th Grade

CCSS covered

Used 2+ times

Empirical Rule Practice
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15 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

This data is:

Normally distributed

Skewed left

Skewed right

2.

HOTSPOT QUESTION

45 sec • 1 pt

Mark the images that represent a normal probability distribution.

Tags

CCSS.6.SP.A.3

3.

DROPDOWN QUESTION

30 sec • 1 pt

Based on the Empirical Rule, make the following true:

​ (a)   of data is contained in one standard deviation from the mean.

​ (b)   of data is contained in two standard deviations below the mean.

​ (c)   of data is contained in three standard deviations above the mean.

68%
47.5%
49.85%
95%
99.7%
34%

Tags

CCSS.HSS.ID.A.4

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which interval shows 95% of the data given a mean of 15 and a standard deviation of 3? 

9 to 21
12 to 18
6 to 24
13 to 16

Tags

CCSS.HSS.ID.A.4

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which interval shows 99.7% of the data given a mean of 15 and a standard deviation of 3?

9 to 21

12 to 18

6 to 24

13 to 16

Tags

CCSS.HSS.ID.A.4

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

At a local high school, GPA's are normally distributed with a mean of 2.9 and standard deviation of 0.6. What percentage of students at the high school have a GPA between 2.3 and 3.5?

68%
99.7%
95%
84%

Tags

CCSS.HSS.ID.A.4

7.

DRAG AND DROP QUESTION

1 min • 10 pts

​ The monthly income of 5000 workers at the Microsoft plant are distributed normally. Suppose the mean monthly income is $1250 and the standard deviation is $250.


Creating a normal distribution curve shows that the percentage of workers who earn less than $1750 per month is ​ (a)  

800 workers
125 workers
81.5% of workers
97.5% of workers

Tags

CCSS.HSS.ID.A.4

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