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April 28th, 2015

4/28/2015

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Continued with 3.3 Bernoulli trials. 

HW: look at questions towards the end of this section.
For the next few days Ms McGuinness will be revising Probability chapter 1
t&t5_3.3_bernoulli_trials_28-4-2015.pdf
File Size: 545 kb
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April 27th, 2015

4/27/2015

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After correcting HW on expected value we looked at Bernoulli trials (Binomial Distribution)
HW: Ex. 3.3 Q.1-6
t&t5_3.2_expected_value_27-4-2015.pdf
File Size: 212 kb
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t&t5_3.3_bernoulli_trials_27-4-2015.pdf
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April 24th, 2015

4/24/2015

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Probability Chapter 2
Today  we looked at 3.1 Tree Diagrams and introduced 3.2 Expected Value.
HW: Ex. 3.1
t&t5_3.1_tree_diagrams_24-4-2015.pdf
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April 23rd, 2015

4/23/2015

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Today we looked at two sections dealing with Histograms.
Skewed data
t&t5_2.7_histograms_23-4-2015.pdf
File Size: 555 kb
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t&t5_2.8_distribution_shape_23-4-2015.pdf
File Size: 842 kb
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April 22nd, 2015

4/22/2015

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Today we looked at Q.19 from 2.5 Measures of Variability. 

We then started 2.6 Stem and leaf plots  (stem-plots).
HW: Ex. 2.6 Include Q.5 and 6
t&t5_2.6_stemplots.pdf
File Size: 999 kb
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April 21st, 2015

4/21/2015

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Today we looked at 2.5 Measures of Variability. This included:
  • Standard deviation on calculator
  • Range
  • Quartiles and Median
  • Inter Quartile Range (IQR)
  • Percentile rankings
t&t5_2.5_variability_21-4-2015.pdf
File Size: 1425 kb
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HW: Work through questions in Ex. 2.5
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April 20th, 2015

4/20/2015

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Today we returned the tests on chapter 1 and then looked at: 
  • Mean, Mode, Median, 
  • Outliers
  • Which average to use
  • Mean of a FDT and GFDT
  • Using the calculator to get the Mean 
  • Using the calculator to get the Standard deviation


HW: Standard devaition question from Ex. 2.5
t&t5_2.4_measures_of_location_20-4-2015.pdf
File Size: 1299 kb
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April 17th, 2015

4/17/2015

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Reviewed sampling methods video and definitions in yesterdays blog.
Introduced 3.4 Mean, Mode and Median.
HW: Try questions from 3.4
t&t5_2.3_sampling_17-4-2015.pdf
File Size: 1152 kb
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April 16th, 2015

4/16/2015

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Today we: 
  • went through the solutions to yesterday's test (uploaded in yesterday's blog)
  • Discussed Section 2.2 Collecting data - Surveys, Questionnaires, Explanatory and Response Variables, Control Groups (see notes uploaded)
  • Discussed Sampling. For HW read and learn the different sampling types (section 2.3) including: Simple random, stratified, cluster and quota sampling (see video) and learn the definitions/descriptions in the flash cards below.


t&t5_2.2_collecting_data_16-4-2015.pdf
File Size: 966 kb
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April 15th, 2015

4/15/2015

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Today we had our test on Chapter 1 Probability.

HW: Read over and try questions from Statistics 2.2
chapter_1_probability_test.pdf
File Size: 208 kb
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probability_1_test_solutions_15-4-2015.pdf
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