Multiple Choice
Assume a data set is normally distributed with mean 14 and standard deviation 1.5. If the data set contains 30 data values, approximately how many of the data values will fall within the range 12.5 to 15.5?
A) 13
B) 20
C) 29
D) 10
Correct Answer:

Verified
Correct Answer:
Verified
Q21: Find the area under the normal distribution
Q22: If a student's rank in a class
Q23: The exam grades of 31 students
Q24: Find the median. 20 21 22 26
Q25: Find the variance. 2 14 32 31
Q27: The frequency distribution below was obtained
Q28: <span class="ql-formula" data-value="\begin{array}{l}\text { Construct a pie
Q29: <span class="ql-formula" data-value="\begin{array}{l}\text { Draw a scatter
Q30: <span class="ql-formula" data-value="\begin{array}{l}\text { Find the value
Q31: For the 8 test scores shown, which