Statistic
Q.2 The standard deviation of numbers of a data set is 9. If 3 is subtracted to each number of data set then what is the new standard deviation? A. 1 B. 5 C. 2 D. 9 E. 3
Q.2 The standard deviation of numbers of a data set is 9. If 3 is subtracted to each number of data set then what is the new standard deviation? A. 1 B. 5 C. 2 D. 9 E. 3
Q.1 – Q.2 , Q.3 – Q.4 Q.5 , Q.6 , Q.7 , Q.9 , Q. 10 , Q. 11 Q.12 , Q.13 , Q. 14 , Q. 15 Q.16 to Q. 19 Answer 3 Group 1 = 20 values Mean = 85 , Median = 80 Total of 20 values = 20 … Read more
Q.1 – Q.2 , Q.3 – Q.4 Q.5 , Q.6 , Q.7 , Q.9 , Q. 10 , Q. 11 Q.12 , Q.13 , Q. 14 , Q. 15 Q.16 to Q. 19 Answer 1 (a) Mean = Addition of all numbers/ total Numbers = ( 61 +62 + 65 + 65 + … Read more