My Grandma Weighs What? Activity
Name: Natasha Vallee-Cardelli
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or the changes you make
Name KW
MAT 152
9.1 Guided Notes
E. Sabat
Estimating a Population Proportion
Def: A 34 $1" cfw_5+1 mi-+6 is the value of a statistic that estimates that value of a
er.
paramet
o The sample mean, K ,is a point estimate for the population mean, M
o The samp
MAT 152
9.2 Guided Notes
E. Sabat
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Estimating a Population Mean
Recall: A SPQ/l m b In A3 1.! is the value statistic that estimates the value of a parameter.
In this section we will learn that the sample mean x, , is a point estimate for the W,
1
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MAT 152
10.1 Guided Notes
E. Sabat
Def: A b 311 cfw_291135545 is a statement regarding a characteristic of one or more populations.
During this chapter we will look at hypothesis regarding a single Wameter.
Ex:
A. According to a Gallup poll conducted
l Chapter 9 Lab
MAT 152
E. Sabat
Name
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
Provide an appropriate response.
1) When 385 junior college students were surveyed,170 said that they have previously
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MAT 152
10.1 Lab
E. Sabat
I.
II.
The null and alternative hypothesis are given. Determine whether the hypothesis test is lefttailed,
right-tailed, or twotailed. Also, list the parameter that is being tested.
Hoip = 5.6
Hlip i 5.6
Hoza = 0.82
H1
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MAT 152
7.1 and 7.2 Guided Notes
E. Sabat
If the distribution of a data set is symmetrically shaped, we could also call this H C
Last chapter we learned a distribution called ._
This chapter we will learn about the 1' 1 3
So: symmetric, bell-
1
f .
Nam
MAT 152
7.1 and 7.2 Guided Lab
E. Sabat
.m
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
Provide an appropriate response.
1) Draw a normal curve with u = 50 and 0 = 16. (You only need to go ou
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MAT 152
Final Exam Study Guide
E. Sabat
1. Find the mean from the following group of data:
75, 76, 77, 76, 75, 75, 73, 72, 70, 69
1:736
2. Find the sample standard deviation from the following group of data:
24, 25, 26, 26, 20, 22, 23, 26, 29, 28, 27
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MAT 152 I
8.1 Guided Notes
E. Sabat
Sampling Distributions of the Sample Mean.
Try: How many different ways can you take a sample size of 3 from a population of 6? (Note: order doesnt
matter) L0 C .23 3: w
The data below represents the Chapter 3
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MAT 152
Chapter 8 Quiz
E. Sabat
1. Given/1 = 80, a = 14,n = 49
Find Mg and 0,;
2. Giveny = 52, a = 10,11 = 21
Find 11,; and 0,?
3. A simple random sample of size n = 49 is obtained from a population with u = 80, a = 14
a. Find POE > 83)
b. Find Po:
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Quiz-Empirical Rule, M '
of Grouped Data, and W ghted
MAT 152
E. Sabat
(Each question is worth 6 points)
1.
2.
a. Based on the Empirical Rule, l2 % of the data lie within 1 standard deviation from the
mean.
b. Based on the Empirical Rule, Q S % o
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MAT 152
Chapter 3 Test /[ '5
E. Sabat
1. Denitions (+2 each)
Directions: Match the following words with the appropriate meaning below.
[2 Mean
1.
2. E Median
3. 'D Mode
4. E Standard Deviation
5
6
. 1 Zscore
. Empirical Rule
M Also known as the
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Chapter 1 and 2 Test
MAT 152
E. Sabat '07
1. Denitions + 1 (took
Match the following words with the following denitions
0 _Statistics
1.
2. E_ Parameter
3. 1 Z Statistic
4
5
. Variables
. Levels of Measurement
. Measurement lev
2.1 Blood Type Lab Solutions
1. Frequency Distribution
2. Relative Frequency Distribution
Blood Type
Frequency
A
18
B
6
Blood Type
Relative Frequency
AB
4
A
36%
O
22
B
12%
AB
8%
O
44%
3. O is the most common blood
type.
4. About 44% of the population has
VIAT 152
:hapter 5 Test
3. Sabat
\IOTE: For all questions dealing with dice and playing cards, assume you are using a fair, 6 sided die, and a
:tandard deck of 52 cards.
Vanni-_- _KL_ _ _/l_;_ ,FORMB
I. Multiple Choice (+3 each)
1. A die is rolled. The se
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MAT 152
E. Sabat
6.1/6.2 Lab
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Classify the following random variable according to whether it is discrete or continuous.
1) the number of bo
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MAT 152
7.1 and 7.2 Guided Lab
E. Sabat
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
Provide an appropriate response.
1) Draw a normal curve with u = 50 and 0 = 16. (You only need to go out 1 stan
Name
MAT 152
Chapter 6 and 7 Test
E. Sabat
Chapter 6
1. Determine whether the random variable is discrete or continuous. (3 points each)
a. The number of days it rains in New Bern, NC.
b. The number of golf balls hit into a pond on a golf course.
0. The w
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MAT 152
5.3 Guided Notes
E. Sabat
Recall: If we want to calculate the probability of an OR event, we use the general rule of:
._ f | . _ t . . ' ". a r '.
t . . J a . .' . r u, l
W ' ~_ " "' ' . '- K A cfw_a
._ v .
Now we will discuss the
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MAT 152 l
5.5 Guided Notes
E. Sabat
In this section we are going to be talking about the different counting methods and develop general techniques
for solving them.
I. Multiplication Rule
Ex: A dinner at a restaurant provides the following choices:
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MAT 152
5.2 Guided Notes
E. Sabat
In this section we will learn how to combine probabilities.
if they have no outcomes in common. Another name for these events is
events. In other words, two events are disjoint if they cannot occur at
If A an
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MAT 152 4
5.1 Guided Notes
E. Sabat
We often make statements about probability. For example, a weather forecaster may predict that there is an
80% chance of rain tomorrow. A health news reporter may state that a smoker has a much greater chance o
Name Hay
MAT 152
4.2 Guided Notes
E. Sabat
1. Linear Regression
Once a scatter plot and linear correlation coefcient show that two variables have a linear relation, we then nd
the W that describes this relation.
How would you connect the points of a scatt
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MAT 152
4.1 Guided Notes
E. Sabat
Def: The 1:; the variable whose value can be explained by the value of the
NOTE: The explanatory variable can be thought of as the and the predictor can be
thoughtofasthe j _ _- . g _- r_; ".'.
Ex: As the speed
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MAT 152
Chapter 3 Test
E. Sabat
I.
Definitions (+2 each)
Directions: Match the following words with the appropriate meaning below.
1.
2.
3.
4.
5.
6.
_Mean
_Median
_Mode
_Standard Deviation
_Z-score
_ Empirical Rule
A. Also known as the 68-95-99.7 ru
MAT 152
3.4 Guided Notes
E. Sabat
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1. Z-scores
Recall: Sketch the following scenario: A set of data has a mean of 15 and a standard deviation of 7.
._1._1v1~l-1-l+m-
*(o l 3 15' 27 24 3Q,
Now what if we wanted a data entry that wasnt exactly one o