Question
please find mean AND standard deviation
Reading scores. The grade-level reading scores from a reading test given to a random sample of 12 students in an urban high s
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Answer #1

Solution:
Mean ˉx=∑xn

=7+8+10+7+8+13+14+12+15+11+10+1512

=130/12

=10.8333

Mean = 10.83

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