Melissa Munk
Statistics
Lab Report 1
Part One
The set of number 1, 3, 4, 7, 8 have an average of 4.6, a median of 4, and a standard deviation
of 2.5768.
The spreadsheet calculates that STDEV(A2:A6) is
Melissa Munk
Stats
Lab 2
6. I know that the data point 8 is being included in the 4-8 interval because cell D4 reads 6,
representing data points 5, 5, 6, 6, 7, 8, and cell D5 reads 3, representing dat
Melissa Munk
Stat 241
Lab 3
8 -Which histogram most closely approximates the probability histogram for a
box model that describes the roll of a die?
This simulation of 2000 die rolls histogram is clos
Stat 241 Exam Two Practice
1. One hundred draws are made from a box containing 1,2,3,4,5,6 and the sum of the draws
comes out to be 328. Fill in the blanks:
The expected value for the sum of the draws
Stat 241 Practice Exam
1a. [5pts] Define the term Historical Control and explain its relevance to issues surrounding
the differences between a Randomized Controlled Experiment and an Observational Stu
Homework 9
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1. Refer to Example 9.2 (page 512). Use the chi-square test to assess if frequent binge drin
9.1 Inference for Two-Way Tables
True or False:
Chi-square distributions are left-skewed.
False
True
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Great! The correct answer is
False
Chi-square distributions are generally rig
The label of a particular brand of extra large olives states that there are about 33 olives in each can. A
gourmet cook feels that the claim of 33 olives per can is too high, but that the average numb
Homework 7
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2
91%
1. What critical value
from Table D should be used to construct the following:
A 95% confiden
The z-score for 274 days is (274 266)/16 = 0.5. From the table, the area to the left of 0.5 is 0.6915.
The z-score for 274 is (274 266)/16 = 8/16 = 0.50. The z-score for 250 is (250 266)/16 = -1.00.
12.1 Inference for One-Way Analysis of Variance
Researchers performed a study on the effects of a nonsteroidal anti-inflammatory drug (NSAID)
given before and after arthroscopic knee surgery. A sample
Your company produces a sun block lotion designed to protect the skin from both UVA and
UVB exposure to the sun. You hire a company to compare your product with the product sold by
your major competit
1
TAKE QUIZ
2
REVIEW
3
STUDY PLAN
4
LEARN!
Chapter 7 Pre-Test
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1. A pediatrician is interested in studyi
Homework 12
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1. The One-Way ANOVA applet lets you see how the statistic and the -value depend on the
var