This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: 1 yalue: 1E} points
What is the following table called? Elli up ta Si} 11;”: Hi up ta it} 25 4t] up tu 5H 51 ﬁll up tr: {at} EU fit] up to 'i't} 3U Til] up tn St} 3
' Frequency pquqen ' Cumulatiye frequency diatrihutien
 Hietqqram
'é' Frequency distribution 2 yalue: 10 points
Fer quantitatiye data, the relatiye frequencyfqr a class is computed as the ' claaa width diyided by class interyal.  claea frequency qiyiqeq hy the class interyal.
2' claaarniqpqint qiyiqeq hy the claaa frequency.
'4? class frequency diyided hy the total frequency. 3 value: theirt5 . . .. .. .
Referte the following dietrihutien efcemrniaeiene: El .‘_ i . II. : J I 11lllll I 1i :E
.14 Gilti up he Will} 3 Still up tn than 1'
Limit up tn l.3i.ii.} ll
Llltﬂ up tn 1.4m} 23
I.lt'}t'll up tn lﬁﬂi} 4f]
Lﬁiill up tn 1.3tii} 34
LEUU up tn 2.01.10 9
lean up tu 2.3m} J. What is the relatiye frequency qfthqae aaleaperaqna that earn more than $1,599”?
I 25.5%
I 29.5%
e 30.8%
I 215% 4 value: 1i] points
A sample oistrioution ofhourly earnings in Parts Cookie Factory is: Hourly Foi'nings Hill up to $9 3591111103512 Full 3 up In SIS
"TN—um hers I {i 42 I {i The limits ofthe class with the smallest frequency are:
':'$1t?5ano$1¢25
ée12ooanouptusisoo
D ssooanoseoo
Ie12ooanouptus14oo value:
10 points
To construct a histogram, the class frequencies are plotted on the vertical or Y—axis and eitherthe stateo limits, the true limits orthe mioooints are plotted on the horizontal or
Xaxis.
"é True C False 6 value: 10 points
Referto the following distribution: [‘35 uptown:5 3
.15 tip to 45 5
45 Up to 55 T
55 up to [+5 Eli
as up to T5 to What are the class limits for class with the highestfreouencir?
' 54 and 54
_' 55 and 54.5
Issano54
4? 55 and up to BE 7 value: 10 points
When data is collected using a qualitative. nominal variable. is. male orfemale. what is true about a frequencv distribution that summarizes the data? _ Upper and lower class limits mustbe calculated. . The"2tothelrrule"canbe applied. _ Class midpoints can be computed. 9 Numberof classes corresponds to number ofthevariable's values. 8 value: 10 points
When atreouencv distribution is exhaustive. each individual. object. or measurementfrem a sample or population must appear in at least one categerv. 9 True . False 9 value: 10 points
To summarize the gender of students attending a college. the number of classes in a frequencv distribution depends on the number of students. . True
1? False 1 0 I value: 10 points
Referto the following information from a freguencv distribution for "heights of college women" recorded to the nearest inch: The ﬁrst tvvo class midpoints are 52.5" and 55.5".
What are the class limits forthe lovvest class? . 52 and EB
_ 52 and up to Ed
9 ﬁt and up to Ed
_ 52 and ES ...
View
Full Document
 Summer '08
 ARAFAT

Click to edit the document details