Top Posters
Since Sunday
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
r
4
New Topic  
anuong05 anuong05
wrote...
Posts: 149
Rep: 0 0
A year ago

For the following frequency distribution (assume the data represent a population),

 

Class

Frequency

70 - 79

  5

80 - 89

  9

90 - 99

11

100 - 109

  9

110 - 119

  6


 

a.Compute the mean.
b.Compute the standard deviation.

Textbook 
Essentials of Statistics for Business and Economics

Essentials of Statistics for Business and Economics


Edition: 7th
Authors:
Read 43 times
1 Reply
Replies
Answer verified by a subject expert
smiller94107smiller94107
wrote...
Posts: 153
Rep: 1 0
A year ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

anuong05 Author
wrote...

A year ago
This calls for a celebration Person Raising Both Hands in Celebration
wrote...

Yesterday
Good timing, thanks!
wrote...

2 hours ago
This helped my grade so much Perfect
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1227 People Browsing
 127 Signed Up Today
Related Images
  
 248
  
 346
  
 253
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 352