Calculate a standard deviation and an interquartile range


Response the folloiwng:

1.Calculate a mean, median and mode - all three measures of central tendency

2. Calculate a standard deviation and an interquartile range.

3. Which measure of central tendency would you recommend using for each of the questions to report the results?

4. For the first 3 questions summarize the data in a histogram*, one per question.

5. For last 3 questions summarize the data in a pie chart*, one per question.

Questions are listed below:

On the whole, how satisfied are you with the service you receive from your primary contact at Company?

Q1 Response options:

1 - Extremely Satisfied

2 - Satisfied

3 - Somewhat Dissatisfied

4 - Dissatisfied

Q2 How good is Company at meeting your sales objectives?

Response options:

1 - Exceptional

2 - Alright

3 - Poor

4 - Below Expectations

Q3 How good is our Company in communicating with your company?

Response options:

1 - Exceptional

2 - Alright

3 - Poor

4 - Below Expectations

Q4 In general, what percent of your business does Company represent?

Response options:

1- < 25%

2- 25 - 75%

3 - Over 75%

Q5 Which Department do you primarily work with?

Response options:

1 - Sales

2 - Distribution

3 - Production

Q6  Your Company Size

Response options:

1- < $10m

2 - > $10m

Q1 Q2 Q3 Q4 Q5 Q6
1 2 1 1 3 1
1 2 2 1 1 1
2 3 2 2 2 1
3 3 2 2 2 1
1 3 1 2 2 2
3 3 1 2 1 2
2 3 2 2 2 1
2 2 2 1 2 2
2 1 3 3 2 1
2 3 3 1 2 2
3 4 1 3 2 2
3 4 1 2 2 2
2 3 2 1 2 2
1 3 3 2 3 2
4 4 2 1 2 1
2 3 2 1 2 1
2 4 2 1 2 1
4 3 1 1 2 2
1 3 2 3 3 2
1 3 1 1 3 2
2 3 2 1 2 1
1 3 2 1 3 1
1 3 2 1 3 2
1 3 1 1 3 1
1 3 2 3 3 2
3 4 1 1 3 1
2 1 1 1 2 1
2 4 1 2 1 1
2 2 1 2 2 1
2 4 2 1 2 2
3 1 1 2 3 2
4 3 1 3 3 2
3 4 1 1 2 2
2 4 2 1 2 2
3 4 1 3 2 2
1 3 1 2 2 2
2 4 2 2 2 2
3 4 1 1 2 2
2 4 2 1 3 2
2 3 2 2 2 2
2 3 1 3 2 1
1 2 1 2 3 2
2 3 2 1 3 2
2 3 2 1 1 2
2 3 1 1 3 2
3 3 1 1 3 2
2 3 2 2 3 2
1 3 1 1 1 2
1 3 2 1 1 2
2 3 1 1 1 2

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Basic Statistics: Calculate a standard deviation and an interquartile range
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