F24 Math 227 Quiz 1 Name: _____________________
Show the work neatly, clearly, systematically, and understandably.
MAKE SURE YOU USE CORRECT NOTATIONS!
1. (4:0.5,1.5,2) Consider the following sample data set:
x f
a. Find the mode:
22 3
23 6
24 9 b. Find the median:
25 10
26 8
c. Find the mean by extending the table above and then show your computation below
2. (6:2,4) Consider the following population data set:
x f
16 – 22 14
23 – 29 18
30 – 36 16
37 – 43 13
Find the mean by extending the table above and then show your computation below.
Find the variance by extending the table above and then show your computation below.
Show the work neatly, clearly, systematically, and understandably.
MAKE SURE YOU USE CORRECT NOTATIONS!
1. (4:0.5,1.5,2) Consider the following sample data set:
x f
a. Find the mode:
22 3
23 6
24 9 b. Find the median:
25 10
26 8
c. Find the mean by extending the table above and then show your computation below
2. (6:2,4) Consider the following population data set:
x f
16 – 22 14
23 – 29 18
30 – 36 16
37 – 43 13
Find the mean by extending the table above and then show your computation below.
Find the variance by extending the table above and then show your computation below.
