Powell Marshall Assignment1

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Ferris State University COHP 350 Assignment#1 Fall 2023 Page 1(of6) Name: /V\o;(s'lw\\ Powd] Each question is worth a total of one point unless otherwise indicated; for a total of 20 points maximum. Answer all sub-questions comprehensively for full credit. Due on or before Sunday, September 3, Please refer to COHP 350 course syllabus for assignment requirement and deadline policies. Black ink only (or you can word process, with this format only ). For credit, please ensure you are submitting a visible, completed assignment. Canvas not working ? E-mail your work to me prior to the September 3 deadline. 1. ahive " Sa '65 . A> Dpsl(rl'gil:(abo v Gehs OF doter b(—.y%A on serf Concled! i - \"l B\ An exerf® % G orenple of inferen s YO . 2 Foeled wp and QU Tnfe A) What is the difference between Descriptive and Inferential statistics? and B) Giveone (1) exanéple for each. es(ﬂbf' S(.b' oF ("6\)(6\ i In(f}f('l\i'ﬂl Stakstics (aws dl(;l\ . Y"'O(JQ rarishes (nclndes the (wm,(;rwe , ond o stahstes ncludes, TF o qfonp ok the sane {ob had al) OF Hhel incorcs J more Han the men, IF can be [d women Carf Mot Han men. Sfc\\"s hes d of ¢ scriphie = e Whe oll W WO o\ the Loomen calle Haat in H\cJ careel fie Identify the sample of the following: A cardiologist in Grand Rapids is interested in the mean recovery time of her patients who have had bypass procedures. What would this data set's population be ? a Sample= The fabients of the cafa 1'a|0\]13L in (1@/"' R'*'{'"J(' Whe have \\m) fij[mss P o< ecsfv\r(s_ b. Population:Tkg 'OGH-G/"\*S o Hﬂ@ Co\'—dfdfilgf. A) Body Weight : Choose and circle only one of the following three data types: Quantitative discrete,r qualitative AND why ?\ red O)'\t?) con hc\ve o con be measw nm'\r\bef Hr\C it s @ ¢ decimal. B) Favorite brand of mouthwash : Choose and circle only one of the following three data types: Quantitative discrete, quantitative continuous o @ AND why ? > Tt cannot be PM Inke Numbe
Page 2 (of6) Parameter or statistic AND why ? a. Asurvey was sent to 500 dentists regarding their number of root canals performed annually. shabiskics becawse T8 from o semple of dontists not ql) O[@,q}lsfi. b. All college students in the United States were surveyed regarding hours of sleep per night. P aramerer; FS from the fbft«lvman of all college Shdents in the AMere HHS lml%e(j Stakes. Are these independent or dependent variables ? AND why ? ( Consider BOTH variables within part a. together as one set, only relative to each other ) That is, for part a. below, considering any effect that blood type might have with the weight of the donor ( and vice versa )- is this an independent scenario or a dependent scenario ? AND WHY ? Repeat for second scenario in part b. a. Blood type and weight of donor. ndegendent . ' feect i f ke Varicbies are ot rejated £ ONe does Not aife the orhel b. Number of calories consumed and weight of donor. Deperderk Vollabk A Calorc take ond weih ofe feleted For each of the two scenarios below, name it's type of categorical variable (dichotomous, ordinal, ratio, nominal, interval) AND explain why you selected this type. a. Weight of twenty-year-old males. Ra'r\@ ; Zefo IS the Nod el _ﬂafiin] po,nk b. Phases of facial flushing. () Nomina] 1 the ppases can be nere
Page3(of6) 7. a. Anurse is asked to record the blood pressure measurement of every patient scheduled on January 11th, 2022. Select and circle one type of sampling (cluster, convenience, stratified, systematic) for this scenario AND explain why you selected this type. convenent; the pakents are feaé\'lj avallable. b. Anurse is asked to record the blood pressure measurement of every 5 patient scheduled on the first of the month. Select and circle one type of sampling (cluster, convenience, stratified, systematic) for this scenario AND why you selected this type. ) i Sictematic / U/C/{J Sth patient with o ffi""""'i'] selected st o j § Fofn J: 8. A) Describe what is meant by "rounding off" a numerical answer ( refer to our OpenStax course text pp 26 + 27 as well as the COHP 350 COURSE RULES document in the syllabus ). B) provide a numerical example -both before "unrounded" and after "rounded" . v )p p (J (}3()',\ Cin H"Q / aunding ot ¥ Mreans teking o Plece OF date afx ; onndin ~ . ) Jehef; d@ mal by one spok bessd 0N 1 F the Numbel 15 @ 50 L'j Ti\lr;" ol s Hhe data ta he easier fo rexds N BC(GF(' ;'/ T wc"k,t' lg\?éfbs M [1bs*. /'Kh"f' 7T ue\ljh 9. Why might a reader prefer to review a Pareto graph rjthe_r than a bar graph ? Be(wst» parcte rafw afe sorked nfo 0f¢ '«'f@ cohjag/ l/\Swi\in /"rj(,ﬂ, to spaller valae, fi\i] Gre daij fo de(lf'/)ef, 10. Part a) Describe the most appropriate type of numerical data used for a bar graph. Part b) Describe the most appropriate type of numerical data used for a histogram. /'0 hen the nemerical dodor adds up t rore than 190/ B) hen CO"']""":Y amounts of Nemefical dnd.
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