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1. The full-time employees of a local company are considering using wages. The following table shows the monthly wages of everyone and his two best friends, who supervise the workers: $2100 $2400 $6700 $9100 Monthly Wages Number of Employees 12 5 2 1

1. The full-time employees of a local company are considering using wages. The following table shows the monthly wages of everyone and his two best friends, who supervise the workers: $2100 $2400 $6700 $9100 Monthly Wages Number of Employees 12 5 2 1

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Using the data from 1-4, can you please help me answer the 2nd bullet point starting with "What do you predict..." and the subsequent bullet points that follow? 

1. The full-time employees of a local company are considering using collective bargaining to improve their wages. The following table shows the monthly wages of everyone at the company, including the owner and his two best friends, who supervise the workers: $2100 $2400 $6700 $9100 Monthly Wages Number of Employees 2. In Seattle, an average of 150 days per year are rainy days. 3. Osman plants 50 bean seeds and observes how many days it takes for each to germinate. He records that 2 emerged on Day 4, 13 on Day 5, 21 on Day 6, 9 on Day 7, 3 on Day 8, and 1 on Day 9. One never sprouted. Number who Prefer It 12 5 4. Karina wants to have a pizza party, so she surveys her friends about what type of pizza they like best. She records the responses in this table: Type of Pepperoni Cheese Veggie Supreme Pizza 3 1. Bar graph 2. Histogram 2 Graphical Displays 2 1 4 1 Different types of graphical displays are appropriate for communicating categorical data versus quantitative data. Determine which of the following types of data displays are more appropriate for each type of data (categorical or quantitative), and explain why for each:
Transcribed Image Text:1. The full-time employees of a local company are considering using collective bargaining to improve their wages. The following table shows the monthly wages of everyone at the company, including the owner and his two best friends, who supervise the workers: $2100 $2400 $6700 $9100 Monthly Wages Number of Employees 2. In Seattle, an average of 150 days per year are rainy days. 3. Osman plants 50 bean seeds and observes how many days it takes for each to germinate. He records that 2 emerged on Day 4, 13 on Day 5, 21 on Day 6, 9 on Day 7, 3 on Day 8, and 1 on Day 9. One never sprouted. Number who Prefer It 12 5 4. Karina wants to have a pizza party, so she surveys her friends about what type of pizza they like best. She records the responses in this table: Type of Pepperoni Cheese Veggie Supreme Pizza 3 1. Bar graph 2. Histogram 2 Graphical Displays 2 1 4 1 Different types of graphical displays are appropriate for communicating categorical data versus quantitative data. Determine which of the following types of data displays are more appropriate for each type of data (categorical or quantitative), and explain why for each:
Analyzing Distributions What type of data set (categorical or quantitative) do we examine the shape of the distribution, and consider computations like mean, median, and standard deviation? Why? For the data sets (from the above four) which are this type of data, examine the shape of the distribution. C Describe the shape of the distribution using the vocabulary in the unit. • What do you predict about the relationship between the mean and median, given the shape of the distribution? Will they be very close together, or will one be significantly larger, and why? • What do you predict about the standard deviation? Will it be relatively large, or relatively small, and why? . Compute the mean, median, and standard deviation of each data set for which it is appropriate. (You can use technology for the mean and standard deviation, but please find the median without technology and explain how you do so.) Describe how the results are related to the shape of the distribution. Which measures communicate more information about each set of data? Find the interquartile range for the data sets for which it is appropriate. o Use this to determine if there are any outliers. . If there are outliers, discard them, and then compute the mean, median, and standard deviation for the new data set without the outliers. • Describe your observation of what changes and what doesn't change, and why. 10 acer US Oct 6 11:39
Transcribed Image Text:Analyzing Distributions What type of data set (categorical or quantitative) do we examine the shape of the distribution, and consider computations like mean, median, and standard deviation? Why? For the data sets (from the above four) which are this type of data, examine the shape of the distribution. C Describe the shape of the distribution using the vocabulary in the unit. • What do you predict about the relationship between the mean and median, given the shape of the distribution? Will they be very close together, or will one be significantly larger, and why? • What do you predict about the standard deviation? Will it be relatively large, or relatively small, and why? . Compute the mean, median, and standard deviation of each data set for which it is appropriate. (You can use technology for the mean and standard deviation, but please find the median without technology and explain how you do so.) Describe how the results are related to the shape of the distribution. Which measures communicate more information about each set of data? Find the interquartile range for the data sets for which it is appropriate. o Use this to determine if there are any outliers. . If there are outliers, discard them, and then compute the mean, median, and standard deviation for the new data set without the outliers. • Describe your observation of what changes and what doesn't change, and why. 10 acer US Oct 6 11:39
Expert Solution
Step 1
Monthly Wages $2100 $2400 $6700 $9100
No. of Employees 12 5 2 1

 

Average rainy days 150

 

Day   4 5 6 7 8 9
No. of plants  1 2 13 21 9 3 1

 

Type of Pizza Pepperoni Cheese Veggie Supreme
No. who prefer it 3 2 4 1

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