Step-2

Title: Measures of central tendency-Mean

Grade: 9-a Lesson: S1-L1

Explanation: Hello Students, time to practice and review the steps for the problem.

Step Type Explanation Answer

1

Problem

Find out the mean for the given observations 22,65,25,89,52,12,29

2

Formula:

Mean = \$" Sum of the observations "/" total number of observations" \$

3

Step

Sum of the observations

\$22+65+25+89+52+12+29 = 294\$

4

Step

Total number of observations

7

5

Step

Mean

\$ 294/7 \$

6

Step

After simplification

42

7

Answer

A = 42

Tutor: Questions

Seq Type Question Audio

1

Problem

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2

Clue

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3

Hint

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4

Step

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5

Step

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