From A Population Of Size 400, A Random Sample Of 40 Items Is Selected. The Median Of The Sample

This study source was downloaded by 100000865965430 from CourseHero.com on 04-26-2023 11:30:02 GMT -05:00https://www.coursehero.com/file/20586810/Tutorial-2-Answer/ Section A Questions 1-4 refer to Exhibit 1.You are given the following frequency distribution.Class Freq (fi) Midpoint (Mi fiMi ( Mi x 2 M( i x ) 2fi 10-14 110 + 142 = 12 12( 12 25 2= 169 16915-19 215 + 192 = 17 34(17252= 64 12820-24 520+242= 22 110( 22 25 2= 9 4525-29 825 + 292 = 27 216( 27 25 2= 4 3230-34 430 + 342 = 32 128( 32 25 2= 49 196Totalfi=20Mi = 110fiMi =500Mix=295 Mi xfi =5701. The mean isa. 500b. 26.315c. 30d. 252. The variance isa. 570b. 5.477c. 500d. 303. The standard deviation isa. 570b. 5.477c. 25d. 304. The coefficient of variation isa. 25% Mean, x=fiMin = 50020Variance, s2 = Mi x 2fi Standard Deviation, s = Mi x 2fi Coefficient of variation = ( sx 100 ) = ( 5.47725 100 This study source was downloaded by 100000865965430 from CourseHero.com on 04-26-2023 11:30:02 GMT -05:00https://www.coursehero.com/file/20586810/Tutorial-2-Answer/b. 21.91%c. 5.477%d. 30%5. If a six sided dice is tossed two times and 4 shows up both times, the probability of 4 on the third trial isa. Much larger than any other