STAT

1)The following are the scores of a group of teens in a Visual Acuitza test: 25, 12, 15, 23, 24, 39, 13, 31, 19, 16.

Calculate:

a) Mean

b) Median

c) First Quartile

d) IRQ

e) Range

f) Standard deviation using the approximation formula.

2)Human body temperatures have an average of 98.2 F and a deviation of 98.2 F and a deviation of 9 0.6 F. Convert the following temperatures to scores Z.

a) 95.5o F

b) 97.65o F

c) 98.70o F

d) 90.3o F

3)Below are the ages of ten women who have been recognized for their social work : 45, 56, 43, 62, 71, 59, 48, 44, 53 and 70. Using this data, calculate the measures below:

a) Mean

b) Median

c) Fashion

d) Q1

e) Q3

f) P88

g) P36

h) P93