8) Consider the weekly wages of the random sample of 22 workers in a large company (unit= $): 175 185 182 176 175 200 232 225 250 200 175 200 200 190 325 300 210 125 120 225 165 450 a. Compute the mean and the median b. Compute the three quartiles c. Compute the variance and the standard deviation d. Are there're any outliers in the data? e. Compute the Z score of the value 450 and interpret the value.
Added by Matthew H.
Close
Step 1
045 To compute the median, arrange the wages in ascending order and find the middle value: Wages in ascending order: 120, 125, 165, 175, 175, 175, 176, 182, 185, 190, 200, 200, 200, 200, 210, 225, 225, 232, 250, 300, 325, 450 Median = 200 Show more…
Show all steps
Your feedback will help us improve your experience
Audrey Fong and 91 other Intro Stats / AP Statistics educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Audrey F.
The hourly wages of a sample of eight individuals is given below: Individual Hourly Wage (dollars) A 7.25 B 9.50 C 9.25 D 13.50 E 12.75 F 8.25 G 11.25 H 8.75 For the sample, determine the following measures (in dollars). (Round your answers to the nearest cent.) (a) the mean (b) the standard deviation (c) the 75th percentile
T. L.
Use the grouped data formulas to find the indicated mean or standard deviation. The salaries of a random sample of a company's employees are summarized in the frequency distribution below. Approximate the sample mean. Salary ($) Employees 5,001-10,000 11 10,001-15,000 10 15,001-20,000 18 20,001-25,000 18 25,001-30,000 23 A) $17,500 B) $17,550.45 C) $19,500.50 D) $21,450.55
David N.
Recommended Textbooks
Elementary Statistics a Step by Step Approach
The Practice of Statistics for AP
Introductory Statistics
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD