Questions LLC
Login
or
Sign Up
Ask a New Question
Questions
Mathematics
A set of data with 500 numbers is normally distributed with a mean of 45 and a standard deviation of 12. Within what range will 68% of the data fall
1 answer
68% fall between one SD below (45-12) and one SD above (45+12) the mean. Take it from there.
You can
ask a new question
or
answer this question
.
Related Questions
what number could be included in the data set 9,12,17,15,13, so that the MEDIAN of the numbers in the set result in 14?
A set of data items is normally distributed with a mean of 70. Convert the data item to a z-score, if the standard deviation is
I you are told that a data set has a mean of 25 and a variance of 0 you can conclude that
A)There is only one observation in the
Two similar data sets are being compared. The standard deviation of Set A is 4.8. The standard deviation of Set B is 6.5.
Which
Find the mean of the data set. If necessary, round to the nearest tenth.
15.8, 14.9, 17.6, 13.4. A) 15.7 ***** B) 16.2 C) 16.7 D)
Which set of numbers has a greatest common factor of 1 ?
a. 2,3,and 6 b. 2,200, and 400 c. 3,9,and 27 d. 22,33,and 99 e. 100,500,
The mean of a normally distributed data set is 226.2. The data item, 230, has a z-score of 0.2. Find the standard deviation.
1. Find the mean of the data set. If necessary, round to the nearest tenth. 17.2, 18.3, 14.9, 16.8, 15.3
A) 3.4 B) 16.5 C) 16.8
Draw a stem-and-leaf plot for the data set. (Enter numbers from smallest to largest separated by spaces. Enter NONE for stems
Lev is planning his comparative investigation on the small pond in his neighborhood. What will he MOST likely find about the
