ZuoTi.Pro
Question

o Below is a stem and eaf plot of scores for an exa 9710 866551000 9955331 6 98855421 4 99986554322 Find the mean and standard deviation of the scores (Hint: the sum of the 42 scores is 2322 and the sum of squares of the scores is 139032) 5.93 mean SS b. Calculate the intervals +s, 12s, and 3s and determine the proportion of observations that fall within each interval. Does the sample seem to obey the empirical rule? Find the z-score of the person who got 100 on the exam. c.

math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

0 X100 二171.43 X100 σ 2 g 5.24% date ponわこ42 dak- 42 2. 00-55,29 16.I 2. 78

0 0
Add a comment
Know the answer?
Add Answer to:
o Below is a stem and eaf plot of scores for an exa 9710 866551000 9955331...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • Provided below is a simple data set for you to pracice finding descriptive messures For the...

    Provided below is a simple data set for you to pracice finding descriptive messures For the dala measures. For the data set, complete parts (a) rough (c) , 0,2, 4, 6, 7, О, 2, 4, 6, 7 a. Obtain the quartiles Type integers or decimals. Do not round b. Determine the interquartile range The interquartile range c. Find the five-number summary is . (Type an integer or decinal Do not round.) Type integers or decimals. Do not round. Use ascending...

  • QUESTION 1: Nine randomly selected customers at a local fast-food restaurant ordered meals having the following...

    QUESTION 1: Nine randomly selected customers at a local fast-food restaurant ordered meals having the following calorie counts: 975, 520, 1560, 872, 1028, 533, 362, 954, and 1016. Let y denote the calorie content of a meal ordered at this restaurant. Find the following sum. ∑y2= Enter your answer in accordance to the question statement. QUESTION 2: The following data give the time (in minutes) that each of 20 students waited in line at their bookstore to pay for their...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT