Presentation is loading. Please wait.

Presentation is loading. Please wait.

Unit 2 – Statistics Standard Deviation and Normal Distribution Mr. Solórzano – Algebra 2.

Published byHilda Johnson Modified over 8 years ago

Similar presentations

Presentation on theme: "Unit 2 – Statistics Standard Deviation and Normal Distribution Mr. Solórzano – Algebra 2."— Presentation transcript:

1 Unit 2 – Statistics Standard Deviation and Normal Distribution Mr. Solórzano – Algebra 2

2 Objectives To find the standard deviation and variance of a set of values To apply standard deviation and variance To use a normal distribution Essential Question Why is it important to understand the use of standard deviation in a data set?

3

4

5

6

7 Now it’s your turn!

8 Opening Activity For 2001, the farm incomes of which states are not within one standard deviation of the mean?

9

10

11

12 Now it’s your turn!

13

14

15

16

17

Download ppt "Unit 2 – Statistics Standard Deviation and Normal Distribution Mr. Solórzano – Algebra 2."

Similar presentations

Statistics and Data (Algebraic)

Statistics and Data (Algebraic)
The Normal Distribution

The Normal Distribution
The Central Limit Theorem Today, we will learn a very powerful tool for sampling probabilities and inferential statistics: The Central Limit Theorem.

The Central Limit Theorem Today, we will learn a very powerful tool for sampling probabilities and inferential statistics: The Central Limit Theorem.
Normal distribution (3) When you don’t know the standard deviation.

Normal distribution (3) When you don’t know the standard deviation.
Chapter 14 Analyzing Quantitative Data. LEVELS OF MEASUREMENT Nominal Measurement Nominal Measurement Ordinal Measurement Ordinal Measurement Interval.

Chapter 14 Analyzing Quantitative Data. LEVELS OF MEASUREMENT Nominal Measurement Nominal Measurement Ordinal Measurement Ordinal Measurement Interval.
Lesson #17 Sampling Distributions. The mean of a sampling distribution is called the expected value of the statistic. The standard deviation of a sampling.

Lesson #17 Sampling Distributions. The mean of a sampling distribution is called the expected value of the statistic. The standard deviation of a sampling.
T07-01 - 1 T07-01 Sample Size Effect – Normal Distribution Purpose Allows the analyst to analyze the effect that sample size has on a sampling distribution.

T T07-01 Sample Size Effect – Normal Distribution Purpose Allows the analyst to analyze the effect that sample size has on a sampling distribution.
As with averages, researchers need to transform data into a form conducive to interpretation, comparisons, and statistical analysis measures of dispersion.

As with averages, researchers need to transform data into a form conducive to interpretation, comparisons, and statistical analysis measures of dispersion.
1 Confidence Intervals for Means. 2 When the sample size n< 30 case1-1. the underlying distribution is normal with known variance case1-2. the underlying.

1 Confidence Intervals for Means. 2 When the sample size n< 30 case1-1. the underlying distribution is normal with known variance case1-2. the underlying.
Normal and Sampling Distributions A normal distribution is uniquely determined by its mean, , and variance,  2 The random variable Z = (X-  /  is.

Normal and Sampling Distributions A normal distribution is uniquely determined by its mean, , and variance,  2 The random variable Z = (X-  /  is.
Lesson 12-1 Algebra Check Skills You’ll Need 12-4

Lesson 12-1 Algebra Check Skills You’ll Need 12-4
The Binomial Distribution

The Binomial Distribution
1 1 Slide © 2008 Thomson South-Western. All Rights Reserved Chapter 11 Inferences About Population Variances n Inference about a Population Variance n.

1 1 Slide © 2008 Thomson South-Western. All Rights Reserved Chapter 11 Inferences About Population Variances n Inference about a Population Variance n.
Warm-Up If the variance of a set of data is 12.4, what is the standard deviation? If the standard deviation of a set of data is 5.7, what is the variance?

Warm-Up If the variance of a set of data is 12.4, what is the standard deviation? If the standard deviation of a set of data is 5.7, what is the variance?
A P STATISTICS LESSON 2 – 2 STANDARD NORMAL CALCULATIONS.

A P STATISTICS LESSON 2 – 2 STANDARD NORMAL CALCULATIONS.
Measures of Variability Objective: Students should know what a variance and standard deviation are and for what type of data they typically used.

Measures of Variability Objective: Students should know what a variance and standard deviation are and for what type of data they typically used.
Hypothesis Testing for Variance and Standard Deviation

Hypothesis Testing for Variance and Standard Deviation
Examples for the midterm. data = {4,3,6,3,9,6,3,2,6,9} Example 1 Mode = Median = Mean = Standard deviation = Variance = Z scores =

Examples for the midterm. data = {4,3,6,3,9,6,3,2,6,9} Example 1 Mode = Median = Mean = Standard deviation = Variance = Z scores =
Unit 5 Section 5-4 – Day 2. 5-4: The Binomial Distribution  The mean, variance, and standard deviation of a variable that has the binomial distribution.

Unit 5 Section 5-4 – Day : The Binomial Distribution  The mean, variance, and standard deviation of a variable that has the binomial distribution.
Pablo Diaz 6/13/13 Research in Ecology Program.

Pablo Diaz 6/13/13 Research in Ecology Program.

Similar presentations

Ads by Google