Date: May 20Ms. Nhotsoubanh

/'/ Name:Int.etg*t-PffiActivity: Histograms. Box-Whiskers & Probability

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1. The test scores for 1O students in Ms.Sampson's homeroom were 6I, 67,81, 83, 87,88,89, 90, 98, and 100. Which frequency table isaccurate for this set of data?

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2. T}:e accomp€rnying histogram shows theheights of the students in K5rra's health class.

llafuf* {cm}What is the total number of students in the class?1) s2) ls3) 1641 2O9

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3. The accompanying frequency table shows datacollected by the weather bureau for the daily hightemperatures in January in Buffalo

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Which interval contains the median temperature?!r)-o-g-.i3##(4) 30-3e

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4. The accompanying histogram shows the scoresof students on a Math A test. ' /?ts-,/ ' :

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How many students have scores of 96 to 1OO?1) ssA43I5)41 4-)

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5. The diagram below shows a cumulativefrequency histogram of the students' test scoresin Ms. Nhotsoubanh's algebra class.Determine the total number of students in theclass. Determine how many students scoredhigher than 70. State which ten-point interualcontains the median. State which tuo ten-pointintervals con the same frequency.n/:rr'ei: Ifrr ":.t$ *)i srs i"tu./-''

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Ms. Nhotsoubanh's Algebra Class Test Scores

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6. The accompanying box-and-whisker plots canbe used to compare the annual incomes of threeprofessions.

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Based on the box-and-whisker plots, whichstatement is true?|ftn" median income for nrlclear engineers is'gpr^t r than the income "f @musicians.2))The median income for police officers andniusicians is the same.,?f N nuclear engineers earn more than all policeofficers.*f A rrwsician will eventually earn more than apolice offrcer.

7. T}aedata set 5, 6,7, 8, 9, 9,9, 10, 12, L4, L7,17 , 18, L9, 19 represents the number of hoursspent on the Internet in a week by students in amathematics class. Which box-and-whisker plotrepresents the data?retu

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8. Based on the box-and-whisker plot below,which statement is false?

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(2) The range is I!)'i3i"ffie-ffiquEite is 4.(a) The third quartile is 11.

9. The test scores from Mrs. Flannigan's mathclass are shown below,74,76, 66, 7L', 82" 85" 95, 85,'86: 8g,'gr, 92Construct a box-and-whiske-r plot to display thesed,gta.f ,:-r' ; .: .a) . )

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1O. Which set of data can be classified asqualitative?

(1) scores of students in an algebra class(2) ages of students in a biolory class(3) numbers of students in history classes(+)'py" colors of students in an economics class

11. Maria has a set of 10 index cards labeledwith the digits O through 9. She puts them in abag and selects one at random. The outcome thatis most likely to occur is selecting

q(1) an odd number i3

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iil a irumber that is at most 5 /';l

(41 a number that is divisible by 3

12. Which phrase best describes the relationshipbetween the number of miles driven and theamount of gasoline irsed?

(1) causal, but not correlated(21 correlated, but not causal(3) both correlated and causal(41 neither correlated nor causal

13. How many different four-letter arrangementsare possible with theletters G, A, R, D, E, N ifeach letter may be used only once?

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4. The frequency histogram below shows the daily temperature at 8:00 am for the month of June at alocal weather station.

a. Complete the cumulative frequency table below.Temperature

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b. Using the information frorn part a, construct acumulative frequenry.lr,"-O"+

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c. What js the maximum temperature possible at the 30ft percentile? Explain or show your work.f/'| ' z4 - -^,/ y', -, '' '\ ' /--..., / -./' :

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d. What is the probability that on a day chosen at random the temperature at 8:OO amlt

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