1. Using the data below, find the mean, mode, and median:

77, 98, 87, 111, 95, 93, 88, 90, 62, 71, 99.

2.Find the first and third quartiles for the temperatures for one week in the summer of last year, expressed in degrees Fahrenheit: 97, 95, 93, 88, 92, 96, 87.

3. Below is the weight data (pounds) for a group of babies born at Hospital Auxilio Mutuo last month:

5.8, 6.0, 7.3, 7.1, 7.1, 8.1, 6.4, 7.3, 7.2, 6.6, 6.1, 5.8, 5.7, 6.4, 7.3, 7.0, 7.3, 6.2, 4.8, 5.1, 7.7, 6.9. Calculate the following values:

a) mean

b) mode

c) median

d) mid-course

e) middle axis

f) Q1

g) Q3

h) P32

i) P91

4. . Using the data below, draw a box plot (summary of five (5) numbers):

114, 90, 123, 98, 78, 118, 66, 78, 90, 69, 85, 99, 111, 77 , 83, 71, 69, 93.

5. Explain what a positive bias and a negative bias mean in relation to the mean, mode, and median.

6. Below is a table of frequencies. Calculate the mean, mode and median.

Lmites	(f)
110-115	19
116-121	24
122-127	18
128-133	21
134-139	9
140-145	21
146-151	17