Standard Deviation of a Sample
Worksheet
Embedded Files
Learning Intention (You will learn about):
Learning Intention (You will learn about):
To explore standard deviation and relevant notation
Success Criteria (You will be able to):
Success Criteria (You will be able to):
Calculate the standard deviation of a sample
Interpret the value of the standard deviation
Apply to the normal distribution of the data set
Prior Knowledge:
Prior Knowledge:
mean of a sample
Key Vocabulary:
Key Vocabulary:
Population, sample, mu (š¯›¨), x-bar, sigma, grouped data, standard deviation (s), variance (s2), spread, notation
New Knowledge:
New Knowledge:
Application Tasks:
Application Tasks:
Video - Standard Deviation (by hand)
worksheet below
Find standard deviation only
Extension of Learning
Extension of Learning
The following data represents the percentage score on a SAC in further maths of 20 students:
12, 14, 87, 23, 76, 64, 100, 22, 74, 78, 92, 40, 57, 48, 39, 65, 78, 66, 68, 81
a) Is this a population or a sample?
b) Input in your CAS and find the:
mean
sample standard deviation
population standard deviation
2017 Exam 2
Click the link above and select the scaling report pdf file. You will be able to see the mean and standard deviation of all the VCE subjects from the 2018 student population.
a) List your subjects
b) Compare the mean and standard deviation of each.
c) Comment on the statement - 'English is the most difficult subject to achieve a high score in' - use data to support your comment.
Additional Resources:
Additional Resources:
Google Sites
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