if an additional sample is taken new sample STANDARD DEVIATION will be (circle o
ID: 3196013 • Letter: I
Question
if an additional sample is taken new sample STANDARD DEVIATION will be (circle one) B) from the process, and it is exactly equal to the sample mean, the LOWERHIGHER, THE SAME 3. Generally speaking the more samples that are taken from a population A) The more the value of the mean will increase B) The standard deviation will tend to decrease C) The standard error of the mean will decrease D) A) and C) E) B) and C F) None of the above Find the mean, median and range of the following values (show work and calculations for full credit): 12.1 153 112 13.8 135 164 22.3 Mean 4. Median Range A) Calculate the difference between the Mean and the Mediarn What does the difference between the Mean and Median tell you about the underlying distribution? (Explain in 30 words or less) 8)Explanation / Answer
a)
mean = sum of all terms / number of terms
= 104.6/7
=14.9429
b) median
The median is the middle number in a sorted list of numbers. So, to find the median, we need to place the numbers in value order and find the middle number.
Ordering the data from least to greatest, we get:
11.2 12.1 13.5 13.8 15.3 16.4 22.3
So, the median is 13.8 .
c)
The range is the difference between the highest and lowest values in the data set.
Ordering the data from least to greatest, we get:
11.2 12.1 13.5 13.8 15.3 16.4 22.3
The lowest value is 11.2.
The highest value is 22.3.
The range = 22.3 - 11.2 = 11.1.
difference between mean and median = 14.9429 - 13.8
= 1.1429
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