Question: please answer and explain formulas B C D E F G H M O 0 R S 68% Confidence Interval r=.98 95% Confidence Interval Lower

please answer and explain formulas
B C D E F G H M O 0 R S 68% Confidence Interval r=.98 95% Confidence Interval Lower Upper Upper Be sure to scroll down to answer the questions. Scores Lower 109 78 97 104 120 93 84 105 83 126 111 90 Student A Student B Student C Student D Mean Median STD SEM 100.00 100.50 15 2.00 SEM= SD * SQRT(1-r) * ( 15 * SQRT(1-.98) 1. Calculate the 68% and 95% confidence intervals for each of the four highlighted scores. (1pt) 2. Students A and B's performance on the Woodcock Reading Mastery Testing III (WRMT III) contributes to a Special Education eligibility decision. Interpret Students A and B's scores. Be sure to include what a confidence interval means (1 pt) and the correct descriptive categories (1 pt). Student A's standard score of 120 on the WRMT III has a 95% confidence interval of _(insert the confidence interval). This means that_(insert what a confidence interval means). This score falls within the _(insert the qualitative descriptor) _range. Student B's standard score of 93 on the WRMT III has a 95% confidence interval of_(insert the confidence interval).___. This means that_(insert what a confidence interval means). This score falls within the __(insert the qualitative descriptor) range. B C D E F G H M O 0 R S 68% Confidence Interval r=.98 95% Confidence Interval Lower Upper Upper Be sure to scroll down to answer the questions. Scores Lower 109 78 97 104 120 93 84 105 83 126 111 90 Student A Student B Student C Student D Mean Median STD SEM 100.00 100.50 15 2.00 SEM= SD * SQRT(1-r) * ( 15 * SQRT(1-.98) 1. Calculate the 68% and 95% confidence intervals for each of the four highlighted scores. (1pt) 2. Students A and B's performance on the Woodcock Reading Mastery Testing III (WRMT III) contributes to a Special Education eligibility decision. Interpret Students A and B's scores. Be sure to include what a confidence interval means (1 pt) and the correct descriptive categories (1 pt). Student A's standard score of 120 on the WRMT III has a 95% confidence interval of _(insert the confidence interval). This means that_(insert what a confidence interval means). This score falls within the _(insert the qualitative descriptor) _range. Student B's standard score of 93 on the WRMT III has a 95% confidence interval of_(insert the confidence interval).___. This means that_(insert what a confidence interval means). This score falls within the __(insert the qualitative descriptor) range
Step by Step Solution
There are 3 Steps involved in it
Get step-by-step solutions from verified subject matter experts
