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A sample of = seminar scores,and M = 8. If with a value of X= 4 is removed from the sample, what is the mean
A sample of = seminar scores,and M = 8. If with a value of X= 4 is removed from the sample, what is the mean for the remaining scores? (2-points) M = B M = EX - M EX - 45 m = 5 286 n 45 - 8 n = 7 7 m = 37/9 15 A population of scores whi by do and a= 6 is stands... to create a new distribution with a = 50 and o = 10. What is the new value for each of the following scores pardized original population Old Score New Score X =72 7 ( 2-points) 4= 73 - X = 1 + ( 2) ( 6 ) 0 = 6 X - 731 X - 73+ 6 S = ? X = 79 16. A sample of American college students named as many canadian provinces and territories as they could. The results are listed below. For this sample of students compute the statistics indicated below. A 2 8 5 = 4 x 7- [ Ex )2 8 =-51.05 5 16 25 4 n - 1 12 16 n 9 55 -(36)2 S' = 7.144 5 1J - 204- 2 4 27:5 EX= 56Ex - 55 85 = - 204.2 a. What is the Mean? 3 -2 (2-points) b. What is the Median? 5 (2-points) c. What is the Mode? ( - 2 (2-points) d. What is the Interquartile Range (IQR)? 3 ) (3-points) e. What is the Standard Deviation? 7.144 (3-points) f. Is the distribution skewed? If so, how? (1-point)
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