- Period A and H students: I won't see you tomorrow so it's your responsibility to do these on separate paper, print them, or come see me for a copy--but this must be turned in Thursday!
- Period D, E students: I can give you this tomorrow in class to be collected Thursday.
2.) VOCAB TEST is THURSDAY (25 minute max)!
- You HAVE to do well on this. Success means studying! Make some flash cards or a quizlet and put in the time to ace this!
- You know Friday's "AP test" is going to be tough--so it's important that you ace this vocab test to help boost your average!
- Here's an outline of what's on the vocab test:
- Vocabulary Section = Matching
- Each of these words is on one of your previous quizzes--with the exception of some new chapter 6 vocab...
- Shifting
- Rescaling
- Normal Model
- Z-Score
- Quantitative Variable
- Categorical Variable
- Proportion
- Stemplot
- Dotplot
- Ogive
- Histogram
- Boxplot
- Center
- Spread
- Outlier
- Q1/Q3 (quartiles)
- Mean
- Median
- Midrange
- Range
- Interquartile Range (IQR)
- Standard Deviation
- Variance
- Percentile
- Response Variable
- Open Ended Section = Short Answer
- "Appropriate summary statistics"
- Know what measures of center/spread are best for a distribution based on its shape (skewed or symmetric)
- Know what we use for measures of center (4 of them)
- Know what we use for measures of spread (4 of them0
- Know what graphical displays are used for categorical data, and what displays are used for quantitative data
- Know how to describe the shape of a distribution (symmetric/skewed, uniform, unimodal, bimodal, multimodal)
- Know how mean and median compare for different shapes of distributions
3.) "Math" test (AP FR and MC) is Friday!
- Review your mid-unit test
- Look over the take home test (key below)
- Check the blog Thursday for more info about that test!
4.) "Take Home Test" Answer Key is below! Use this to grade your work--this is a great way to study for Friday!
- B
- D
- A
- D
- E
- D
- V
- C or D (should say more than 3 standard deviations away from the mean)
- B
- B
- D
- A
- D
- B
- C
- B
- A
- D
- A
- D
- C
- E
- A
- B
- A
- The bin from 60-70 should have a height of 4, the bin from 70-80 should have a height of 7, the bin from 80-90 should have a height of 10, and the bin from 90-100 should have a height of 11; also, remember to label your x-axis (exam score), y-axis (frequency or # of students/scores), and give a title
- Min = 3400 yen; Sx = 2000 yen; Median = 6200 yen; IQR = 2400 yen
- a.) Lowest median = grade 9 b.) Year 12 has the most variability in numbers of absences because it has the largest IQR and is tied (with year 11) for the largest range. c.) Generally, students in year 9 were absent the least; year 9 ahs the lowest maximum, lowest Q3, lowest median, and lowest Q1. Additionally, at least 75 % of students were absent for fewer days than more than 50% of students in year 10, than more than 75% of students in year 11, and more than 50% of students in year 12.
- a.) 27/30 = 90th percentile; b.) between 149.5 and 159.5 cm OR between 159.5 and 169.5 (this is a bad question because the median is really between the 15th and 16th data value, and that data value is not clearly in one bin--the 15th data value is in the second bin, and the 16th is in the third bin)
5.) Extra Credit Opportunity:
- If you'd like some more practice, and a little more extra credit, complete the following and show it to me by Friday:
- Page 93: #19
- Page 127: #35
- Page 132 and 136: #8, 25cdef,
- Here is the answer for #8--ALWAYS CHECK YOUR ANSWERS ON THE BLOG OR IN THE BACK OF THE BOOK:
- 8b.) 3.3%
- 8c.) 6.7%
- 8d.) pH = 4.40
- 8e.) pH = 5.89
- 8f.) Q1 = 4.5, Q3 = 5.30, IQR = 0.80
6.) Study more! Review your Mid Unit test that you got back; use your notes and other resources to figure out anything you got wrong! Also feel free to send some questions via Remind, and look at the sample written responses below!
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