Empirical (68-95-99.7) Rule Exercise
The following data and histogram represent the weight (in grams) of a random sample of 50 M&M
plain candies. The mean of the sample is 0.87 grams and the standard
1-11-16
1. Write out the molecular formula for each.
c: H W ,
&# Lf 3 K v w C7 H8
\ w w a
\M \
[4 U H V H. \K K H H \ \R
. R v a . \ L
a \ w C12 H29
K M u 1*
9 \k W Pk \x \X Y\ \L H
2. Identify an
Section 2.4 Describing the Spread (the Variability) of a Quantitative
Variable
Range: - the difference between the maximum and minimum values for the variable
Range = (Maximum value) (Minimum value)
C
Section 2.4 Describing the Spread (the Variability) of a Quantitative
Variable
Range: - the difference between the maximum and minimum values for the variable
Range = (Maximum value) (Minimum value)
C
Exam 1
Statistics 110, Fall 2013
KEY
FORM B
Directions: Read each question carefully and select the best response. Be sure to match your response to the
appropriate number on the scantron sheet. Each
Chapters 10 12 Handout Solutions
Fall 2012
Stemplots
Babe Ruths homerun totals for his 15 years with the New York Yankees (1920 to 1934) are given
below:
54
59
35
41 46
25
47
60
54
46
49
46
41
34
22
M
Chapter 22 Notes Examples
Question (IClicker Question 10/30/12)
In hypothesis testing, the statement we want to prove is called the
A. Null hypothesis
B. Alternative hypothesis
C. P-value
D. Significa