STA2023: Activities

**Fall 2018, Broward College**

**Tues, 10/16**: Orientation, Introduction, Preview and Statistical Thinking. Activity 1. Practice 1; Practice1Answers.

**Thurs, 10/18**: Chapter 2: Frequency Distributions, Histograms, Stem and Leaf Plots. Create a frequency distribution step by step: notes. Practice2; Practice2Answers.

*Making a stemplot using a TI 83 or 84: instructions.

**Tues, 10/23:** Chapter 3: Measures of center, measures of variation, measures of relative standing and boxplots. Notes on Chapter 3. Charts that matters; Practice 3, Practice 3 Ans.

**Thurs 10/25**. Probabililty. Basic concepts, addition and multiplication rule, complements and condictional probability, counting rules. Notes on Chapter 4. Practice 4, Practice 4 Ans.

Also, as exercises for Chapter 4 consider these Playing Cards Probabilty questions.

**Tues 10/30**: Practice 4; Review of practices 1, 2, 3 & 4

**Thurs 11/1st. Test 1** (Chapters 1, 2, 3 & 4). **After the exam, Lecture on Chapter 5**: probability distributions. Practice5. Practice5 Ans.

Binomial probability questions: two experiments.

**Tues 11/6:** The standard Normal distribution. Applications. Central Limit theorem. Practice6. Practice6Ans.

**Thurs 11/08:** Confidence intervals or intervals estimate: Estimating a Population proportion and a Population mean. Practice7. Practice7Ans.

**Tues 11/13:** Review of Practices 5, 6 & 7.

**Thurs 11/15**. **Test 2** (Chapters 5, 6 & 7).

**Tues 11/20:** Hypotesis Testing. Practice8, Pracice8Ans.

**Tues 11/27**: Inferences about two means. Independent & dependent samples.

Notes, comparing two groups.

Practice9 Independent samples. Practice9Ans.

Dependent Samples, Practice10. Practice10Ans.

Using
(software) **Statcrunch** to work on homework questions.

**Review** of practices 8 and 9 for **Test 3**.

**Thurs 11/29**. Review of practice 8. **Test 3**, on practice 8.

**Tues 12/04:** Correlation and regression. Practice 11. Practice11Ans.

**Thurs 12/06.** Review for **Final Exam**. Answers.

**Tues 12/11**: **Final exam**.

**Instructions on how to use your calculators (Statistics):**

Scientific calculatotors like TI 36 Pro, TI 30 II, Casio fx 115 ES only perform a limited number of operations ( Chapter 3):

A) Descriptive Statistics in TI 83 & 84.

B) Normal CDF in TI 83 & 84.

C) Descriptive Statistics and Normal CD in TI 36 pro.

D) Descriptive Statistics in TI 30 II.

E) Descriptive Statistics and Normal CD on Casio fx115ES.

F) TI-NSpire: descriptive statististics by Dr. L Schultz.

G) TI-NSpire: Normal distribution by Dr. L Schultz.

H) TI-83 & TI-84 Tips for Statistics by Univ of Illinois.

I) Casio FX-9750GII Statistics by David Diez, OpenIntro.

**R code:** > barplot(dbinom(x = 0:10, size = 10, prob = 0.5),names.arg = 0:10,space=0, main="Binomial dist histogram for n=10, p=.5")

Probability: The Deck of Cards.

A deck of cards consists of 4 suits, 13 cards each for a total of 52 cards. The four suits are: **Spades**, **Hearts, Diamonds**, and **Clubs.** Each suit contains an A (Ace), numbers
from 2 to 10, and three face cards: **J**, The Jack;** Q**, the Queen and **K**, the King.

Colors: Hearts and Diamonds are red, Spades and Clubs are black.

**Spades**, **Hearts, Diamonds**, **Clubs**:

**Understanding Public Opinion Survey**

by MichiganSc.