Population: The entire collection of elements of interest
Sample: A subset of the population
Parameter: Measurement that comes from the entire population
Statistic: Measurement that comes from the sample
Descriptive Statistics: Organizes, summarizes, or d
STAT 1450 The Practice of Statistics
Hypothesis Testing of Two Proportions
Lab Assignment _
Name:
OBJECTIVES:
To use Excel to calculate test statistics and p-values when comparing two sample proportions
To use the p-value method to make conclusions.
To
STAT 1350: Elementary Statistics
Lab Activity #5
Descriptive Statistics
Name:
.
.
Calculate the mean, median, mode, standard deviation, min, max, Q1, Q3, and range of the following
data:
Forbes magazine reported the financial standings of each team in the
STAT 1350: Elementary Statistics
Lab Activity #11
Hypothesis Tests
Name:
.
1. Customers of a large grocery chain who are members of the chains incentives program spend
an average of $45 per visit to the grocery. In an attempt to try and increase the amoun
STAT 1350: Elementary Statistics
Lab Activity #4
Graphs
Name:
.
1. Information about a magazines readers is of interest to both the publisher and the magazines
advertisers. A survey of readers asked respondents to complete the following. For each item
ide
STAT 1350: Elementary Statistics
Lab Activity #8
Sampling Distribution of Proportions
Name:
.
A bookstore has a website for which ninety percent (90%) of their book sales are to out-of-state
customers and not subject to the collection of sales tax. The sa
STAT 1350: Elementary Statistics
Lab Activity #6
Normal Distribution
Name:
.
.
Students taking an introductory statistics class reported spending an average of $205 on textbooks
that semester with a standard deviation of $60. A rough sketch of the histogr
STAT 1350: Elementary Statistics
Lab Activity #4
Graphs
Name:
.
1. Information about a magazines readers is of interest to both the publisher and the magazines
advertisers. A survey of readers asked respondents to complete the following. For each item
ide
STAT 1350: Elementary Statistics
Lab Activity #10
Confidence Intervals
Name:
.
1. Two newspapers report the results of the same Gallup Poll regarding the percentage of people
who favor term limits for Senators. The first newspaper uses the poll to present
STAT 1350: Elementary Statistics
Lab Activity #9
Simulation/Expected Value
Name:
.
1. A basketball player makes 65% of her shots from the field during the season. Two digits
simulate one shot, so that 00-64 are a hit and 65 to 99 are a miss. Using that in
STAT 1350: Elementary Statistics
Lab Activity #7
Linear Regression
Name:
.
.
For Sherlock Holmes the science of deduction was the ultimate key to solving every
mystery. Distance between footprints (length of stride) told the master detective the
height of
STAT 1400
Lab 6: Sampling Distributions
Name: GROUP 6
OBJECTIVES:
To experimentally generate a sampling distribution of the sample mean.
To determine how sample size impacts the sampling variability.
To empirically verify the Central Limit Theorem in a
Class A
Mean
Median
Mode
Maximum
Minimum
Range
Std. Dev.
Class B
Class C
Class D
Class E
Class F
Class G
Class H
Class I
Class J
Class A
73
70
75
72
74
77
72
77
78
74
77
74
72
75
73
76
74
76
75
71
77
75
71
75
73
75
75
74
73
74
72
73
70
76
73
71
75
75
75
7
STAT 1400
Lab 11: Hypothesis Testing in Excel
Name: Group 6
OBJECTIVES:
To use experimental data for testing hypotheses for means using the p-value method.
To use experimental data for testing hypotheses for a population proportion.
To determine how chang
STAT 1400
Lab 8: Confidence Intervals
Name: _Group 6_
OBJECTIVES:
To explore properties of confidence intervals related to confidence level and sample size.
To calculate confidence intervals for a variety of real-world applications and interpret the resul
STAT 1400
Lab 13 : Linear Regression Using the TI Calculator
Name: _
The following table shows the inflation rate and unemployment rate, both in percent, for the years 1981-2008.
We will investigate some methods for predicting unemployment.
x (L1)
y (L2)
STAT 1400
Pre Lab 13 Calculator Guide
Name: _
TI83/84 Correlation and Regression
You can use the TI-83/84 calculator to construct a scatterplot, determine the correlation (r) and the coefficient of
determination (r2) between two variables, and also calcul
Degree
AS
AA
AS
AAS
AAS
AAS
AAS
4 yr
4 yr
AAS
4 yr
4 yr
4 yr
AS
AAS
AA
4 yr
AA
AS
AAS
Credit Hours
16
14
9
10
11
15
10
8
15
8
12
15
9
12
10
11
16
10
8
4
Degree
AAS
4 yr
AS
AA
Count
7
6
4
3
Midpoints Frequency
4.5
1
8.5
9
12.5
5
16.5
5
20.5
0
Histogram - G
STAT 1350: Elementary Statistics
Lab Activity 4
Interpreting Graphs
Breakfast cereals are a staple for many people, but are cereals a nutritious alternative? In this lab
we will explore the nutritional content of breakfast cereals. Most of these character
STAT 1400
Lab 2 Graphs in Excel
Name: _
OBJECTIVES:
To access Excel and enter collected data
To make a Pareto Chart, Pie Chart, Frequency Table, Histogram, and Time Series Chart.
To analyze graphs
To determine effective uses of various graphs
DATA COL
STAT 1400
Lab 2 Sample Surveys
Name: _Kody Fate_
OBJECTIVES:
Identify components of a sample survey
A Sample Survey:
The Gallup Organization (www.gallup.com) provides data on all aspects of the attitudes and lifestyles of people
around the world. Gallup i
STAT 2430
Lab 1 Graphs in Excel
Name: Kody Fate
OBJECTIVES:
To access Excel and enter collected data
To make a Pareto Chart, Pie Chart, Frequency Table, and Histogram.
To analyze graphs
To determine effective uses of various graphs
DATA COLLECTION:
1.
Probability Theory Law of Large Numbers
Lab Assignment # _
Date: _
Name _
OBJECTIVES:
To set up a simulation of a simple random experiment.
To introduce the concept of a discrete probability distribution.
To learn how the size of the sample affects the
Start Time
Date
#
8:10
Friday, June 03, 2016
8:15
Saturday, June 04, 2016
Sunday, June 05, 2016
8:05
8:15
Monday, June 06, 2016
8:00
Tuesday, June 07, 2016
7:55
#
Average
8:06
7
Days in Period
Days Worked
6
Total Calls
312
Total Sales Made
80
Total Sales
Stat 1350 - Elementary Statistics
Graded Homework Assignment 2
Unit 1, Lessons 3 and 4
1. Each boldface number in the next paragraph is the value of either a parameter or a statistic. In each case,
state which it is.
A carload lot of ball bearings has an
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STAT 2470 Statistics for Engineering and the Sciences
Confidence Intervals part 2
Lab Assignment #6
Name:
OBJECTIVES:
To explore properties of confidence intervals related to confidence level and sample size.
To calculate confidence intervals for a vari