Return to Video

18-35 Fixed_Raise_Solution

  • 0:00 - 0:05
    The mean shift upwards by $1000 and we add this to the salary, so we put a $1000 over here
  • 0:05 - 0:09
    and 1 over here because it's the old mean plus $1000.
  • 0:09 - 0:15
    For the standard deviation, that's interesting. Let's look at the variance, which is defined as follows.
  • 0:15 - 0:22
    And now let's add for the new variance, a $1000 to each individual salary and a $1000 to the mean.
  • 0:22 - 0:27
    As you can see, these $1000 cancels them out and you have the formula for the old variance.
  • 0:27 -
    Hence, the old standard deviation, which means you put 1 over here and 0 over here.
Title:
18-35 Fixed_Raise_Solution
Description:

18-35 Fixed_Raise_Solution

more » « less
Video Language:
English
Team:
Udacity
Project:
ST101 - Intro to Statistics
Duration:
0:34
Udacity Robot edited English subtitles for 18-35 Fixed_Raise_Solution
Amara Bot added a translation

English subtitles

Incomplete

Revisions Compare revisions