If the class marks of a frequency distribution of weights of miniature poodles are 6.5, 8.5, 10.5, 12.5, and 14.5 kilograms with frequencies: 1, 4, 6, 10, 7, respectively.

1. Calculate the median in 2 decimal places.

2. The pearsonian coefficient of skewness shows a___________.

The mean and standard deviation in 2 decimal places.

Group of answer choices

a. Sk = -0.04, perfectly symmetrical distribution

b. Sk = -0.42, negatively skewed distribution

c. Sk = 0.42, positively skewed distribution

d. Sk = 0.02, symmetrical