Curriculum
Course: Statistics — Third Secondary
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Curriculum

Statistics — Third Secondary

Unit 1: Correlation and Regression

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Unit 2: Advanced Statistical Measures

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Unit 3: Probability

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Unit 4: Random Variables

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Unit 5: The Normal Distribution

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Quiz

Expectation and Variance — Lesson quiz

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  • Questions count: 3
  • Passing grade: 60%
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1.
In the experiment of tossing two coins, with X the number of heads, find the expectation μ.
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1
2
0.5
2.
If E(X) = 4 and Var(X) = 5, and Y = 3X + 2, find E(Y).
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10
14
22
3.
If E(X) = 4 and Var(X) = 5, and Y = 3X + 2, find Var(Y).
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45
9
47
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