A teacher rated the reading ability level of six fourth-grade children participating in a special math program. The ratings were as follows: 3, 3, 2, 8, 4, 4.
Figure the mean, variance, and standard deviation for this group of scores.
Explain what you have done and what the results mean to a person who has never had a course in statistics.

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The Answer of A teacher rated the reading ability level of six fourth-grade children participating in a special math program. The ratings were as follows: 3, 3, 2, 8, 4, 4.
Figure the mean, variance, and standard deviation for this group of scores.
Explain what you have done and what the results mean to a person who has never had a course in statistics.

A Teacher Rated the Reading Ability Level of Six Fourth-Grade