Compute the a) variance and b) standard deviation of the data sample. Round your answers to two decimal places. -9, 7, 7, 3, 12
Added by Joseph R.
Close
Step 1
Mean = (-9 + 7 + 7 + 3 + 12) / 5 = 20 / 5 = 4 Show more…
Show all steps
Your feedback will help us improve your experience
Ameer Said and 89 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
Compute the (sample) variance and standard deviation of the data sample. (Round your answers to two decimal places.) 4.2, 5.2, 2.9, 0.8, 0.8 variance: standard deviation :
Adi S.
Find the sample variance and standard deviation. 4, 49, 13, 47, 35, 26, 29, 30, 36, 31 Choose the correct answer below. Fill in the answer box to complete your choice. (Round to two decimal places as needed.) A. σ² = B. s² =
Madhur L.
Find the variance and standard deviation of each set of data to the nearest tenth. {234, 345, 123, 368, 279, 876, 456, 235, 333, 444}
Probability and Statistics
Statistical Measures
Recommended Textbooks
Elementary Statistics a Step by Step Approach
The Practice of Statistics for AP
Introductory Statistics
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD