Question

Cork price: 16 10 15 10 17 11 14 13 11 14 11 16 18 16 10 17 14 14 16 7 10 12 19 15 16 14 9 12 21 13 10 16 12 16 13 17 17 13 14 18 11 12 15 16 13 18 16 17 12 12 14 9 11 14 19 13 11 17 11 13 15 14 18 18 18 12 10 11 13 14 11 14 18 13 13 19 17 14 17 17 18 19 21 12 15 16 15 10 10 17 12 14 16 12 13 17 17 13 15 12 14 16 15 15 15 12 18 13 12 15 10 13 11 16 14 10 15 14 15 12 16 11 17 16 10 15 11 19 15 20

Metal price: 13 12 16 5 7 8 6 10 11 9 6 16 15 15 9 17 6 10 11 7 8 11 22 21 11 6 11 10 17 12 13 11 16 18 12 11 11 8 8 18 5 5 9 10 9 14 8 9 8 7 6 12 12 15 19 4 6 15 9 5 15 9 8 6 7 5 12 4 16 15 6 11 17 7 5 16 13 12 17 17 9 19 19 2 15 5 13 7 11 15 14 9 10 11 6 19 19 10 7 9 10 18 15 16 8 11 13 14 11 7 7 5 7 15 13 6 17 12 12 15 9 13 21 17 5 17 12 14 14 13

QUESTION: WHAT IS THE SHAPE OF THE DISTRIBUTION OF THE CORK PRICE: WHY? WHAT IS THE SHAPE OF THE DISTRIBUTION OF THE METAL PRICE: WHY?

Answer 1

using minitab >stat>graph>hisytogram

we have

and boxplot is

THE SHAPE OF THE DISTRIBUTION OF THE CORK PRICE is normal and there is no skewness in the data as shown by the histogram of cork price and also from the boxplot we can say that tha data is normally distributed because median lies exactly in the center of upper and lower quartile

similiarly , THE SHAPE OF THE DISTRIBUTION OF THE METAL PRICE is approximately normal and there is no skewness in the data as shown by the histogram of metal price the boxplot we can say that tha data is normally distributed because median lies exactly in the center of upper and lower quartile