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by: Aria Sivick

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6

Week 2 Notes!! MAT 121

Aria Sivick
Syracuse
GPA 3.78
Probability and Statistics for the Liberal Arts I

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These are the Notes for Week 2 for MAT 121! Enjoy! I've also included the tutoring times/dates/tutors.
COURSE
Probability and Statistics for the Liberal Arts I
PROF.
TYPE
Class Notes
PAGES
6
WORDS
KARMA
25 ?

2

1 review
Katerina Biniaris

Popular in Mathematics (M)

This 6 page Class Notes was uploaded by Aria Sivick on Friday September 11, 2015. The Class Notes belongs to MAT 121 at Syracuse University taught by in Fall 2015. Since its upload, it has received 63 views. For similar materials see Probability and Statistics for the Liberal Arts I in Mathematics (M) at Syracuse University.

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-Katerina Biniaris

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Date Created: 09/11/15
WEEK 2 CHAPTER 2 SUMMARIZING AND GRAPHING DATA Probability Distributions 5 Oilst arti new a riuxc mum f 7 V Normal distribution Bell Shaped Curve Ex Toss 5 coins and count how many are HEADS Characteristics of Data Center Where is the main point of the data Variation How is it spread out Distribution What is the shape Outliers Numerous Both sides Change With time 97 Frequency Distribution Grouping data together into Classes 0 Ex Table Group Frequency l l A lulu 35 a 1 ii 39 1 I l l l l l l Lower Class limits 0 Smallest numbers that can belong to the different Classes Upper class 0 Largest numbers that can belong to the different classes Class boundaries 0 Numbers used to separate classes but without the gaps created by class limits Class midpoints O Gaps created by class limits 0 Ex 545 645 745 845 945 1045 Class width 0 Difference between two consecutive lower class limits 0 Ex 10 Estimated Average Take the weighted average of the class midpoints using the frequencies as the weights Ex 2545 15745 18845 11445 Average 78 FOR THE FIRST EXAM ON MONDAY SEPTEMBER 21 ST Potential Questions Level of Measurement Sampling Cluster Systematic Grouping a frequency distribution 0 Filling in the blanks o Labeling Drawing a histogram everything should increase by the class width n 40 Low 46 High 96 Class width 10 First class 41 50 Lower class limits 41 51 61 71 81 Upper class limits 50 60 70 80 90 Class boundaries 405 505 605 705 805 905 Class midpoints 455 555 655 755 855 41 402 912 455 405 5052 912 455 Mean pulse sum of 40 pulses 40 Mode most frequency Estimating the Mean Take the average of the midpoints o 2455 10555 16655 8755 4885 66 40 0 When you put this in your calculator put the whole numerator in parentheses Histogram A graph consisting of bars of equal width drawn adjacent to each other unless 0 Horizontal scale classes of quantitative data Vertical scale frequencies 0 The height of the bar corresponds to frequency values 9W 5 6 Mes or f ng l00 mrirzonmx ow39ss emoan samea mas poxmb sci r mequ NM 033 quot3 Q We wane5341Wu xw Q putow Gl h b 5 Awmwx ow 5 Lame domains amt lwcvxmsnms 7 9 J 2 0quot 2 1 19 J 395J J 9 U Qmm V mc Also Some Tutoring Info Thl0sdax Ihursdax

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