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Question 2 1 pts A teacher proposes a course designed to increase reading speed. To evaluate the effectiveness of this courseQuestion 3 1 pts Using the information in Question 2. The standardized test statistics is about 0 -2.54 O 1.96 -0.51 0.51 O 2

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Answer #1

Solution : n=5, a = -14.6 , Sd = 12.84. - Testing hypothesis is Hold-o Haud co 3. Test statistic is Z el Sd/ -14.6 =-14.685 1

Here we used

H0 : \mu_d= 0

Ha : \mu_d < 0

Since we are taking the difference as (before - after)

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