Concept explainers
(a)
To calculate the mean number of shots.
(a)
Answer to Problem 33E
The mean number of shots per camera is
Explanation of Solution
Given information:
Camera | Number of shots |
Panasonic lumix |
|
Canon |
|
Nikon Coolpix |
|
Fujifilm FinePix |
|
Sony Cyber shot |
|
Fujifilm FinePix |
|
Panasonic Lumix |
|
Nikon Coolpix |
|
Sony cyber shot |
|
Sony Cyber shot |
|
Canon Power shot |
|
Panasonic Lumix |
|
Nikon Coolpix |
|
Fujifilm FinePix |
|
Fujifilm FinePix |
|
Nikon Coolpix |
|
Sony Cyber shot |
|
Canon Power shot |
Formula used:
Calculation:
Compute the mean number of shots by using the formula is given below.
Thus, the mean number of shots per camera is
(b)
To calculate the median number of shots.
(b)
Answer to Problem 33E
The median number of shots is
Explanation of Solution
Given information:
First, arrange the data in ascending order.
Calculation:
Compute the median number of shots.
Here, there are
Thus, the median is the middle value and lies at the
First, arrange the data in ascending order.
Hence, the median lies at the
Therefore, the median number of shots is
(c)
To calculate the
(c)
Answer to Problem 33E
The value of mode is
Explanation of Solution
Calculation:
Compute the mode or modes.
Here, the value
Hence, the value of mode is
(d)
To explain the shape of the distribution of the data.
(d)
Answer to Problem 33E
The given data is approximately symmetric because the value of mean is approximately close to the value of median.
Explanation of Solution
Given information:
Mean =
A data set is said to be symmetric when mean and median are approximately equal to each other. When mean is greater than median then data is positively skewed and if median is greater than mean than data set is left skewed.
The given data is approximately symmetric because the value of mean is approximately close to the value of median.
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Chapter 3 Solutions
Elementary Statistics (Text Only)
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillHolt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGALBig Ideas Math A Bridge To Success Algebra 1: Stu...AlgebraISBN:9781680331141Author:HOUGHTON MIFFLIN HARCOURTPublisher:Houghton Mifflin Harcourt