Review of Summation Notation
Notes on Frequency Distributions
Acc. Math II
Name ______________________________
Summation or Sigma Notation
1. Given the series:
a) Find the closed form of the equation for the series.
b) Write in summation notation the sum of 20 terms.
c) Find
.
2. Given a series defined by
notation. Find this sum.
Write the sum of the first 50 terms in summation
Notes on frequency distribution.
Given 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5.
Make a frequency distribution.
Write a formula to calculate the mean. Calculate
Write a formula to calculate the standard distribution. Calculate.
Homework on Summation Notation/ Frequency Distribution
Acc. Math II
Name ______________________________
1. Given the series
notation and find this sum.
. Write the sum of 30 terms using summation
2. Given the frequency distributions below, calculate the mean, median, variance, standard
deviation and IQR. Determine which measures of center and spread would be better to
use.
x
45
46
47
48
49
50
51
F(x)
2
1
4
5
5
2
3
Histogram
Collection 1
6
Count
5
4
3
2
1
44
46
48
data
50
52
3. Calculate the measures of center and spread. Which measures are more appropriate to
use to describe the frequency distribution below?
Histogram
Collection 1
6
Count
5
4
3
2
1
40
42
44
46 48
data
50
52
54