Number of Gas Grade Provided Categorical JQuantitative 2 Ev

Number of Gas Grade Provided: Categorical JQuantitative 2. Ev ery year the federal government adjusts the income level that must be earned to be above the poverty level. The dollar amount depends on the number of people living in the household. In 2002, a family of four needed to earn $18392 to be above the poverty line. The following stem-and-leaf plot represents the percentage of each state\'s population that is living in poverty 516 615 71388 81 13336 7 7 912 34455669 101 1 2336 8 11 122 3 89 12|118 1311135 14 10 2 67 151328 16108 1710 6 1810

Solution

2.1

Maximum perentage is 18% and minmum percentage is 5.6%. So range will be

Range = Maximum - Minimum = 18% - 5.6 % = 12.6%

Hence, option A is correct.

2.2

Distribtion is slightly skewed to right and it is unimodal. Hence, option (a) is correct. Mode is near 90.