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Exam 1 (4)

# Exam 1 (4) - .5“.J A sporting goods retailer conducted a...

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Unformatted text preview: .5“ .J A sporting goods retailer conducted a customer survey to determine its customers primary reason for shopping at their store. The results are shown in the graph below. - 40 _ 30 g 20 a: 10 em 2 0 Prices MerchanosaComnience other 0.0 +50 4- )0 +,\ D 1 j] O “716 ‘ +3 8) What Egogortion of the customers responded that the merchandise was the reason they shopped at the 8) store? ‘ A) 0.30 9 C) 0.50 D) 30 A) All ﬁrst—year Drummand University students. N'he 250 students that were monitored. All Drummand University students. All college students. 10) In the Problem (9) above, Identify the variable of interest to the researcher. 10) £3 A)The_ ear in school of Drummand Universi g‘l E" I of inci en of Unlevrsity students. D) The age of Drummand University students. 11) Which of the'following is a discrete quantitative variable? 11) l I! A) The distance you drove yesterday. is a numerical summary of the population; while a 12) is a numerical summary of the sample. 13) According to the U.S. Bureau of the Census, County and City Data Book (1977), the area of New Jersey 13) l I Counties, in square miles, ranges from 47 to 319 with Q1=228, median=329 and 03:476. The full data set follows. 0' 03 - I44, 5— 47 103 130 192 221 228 234 267 307 312 3 9 362 365 423 468 476 500 527 569 642 819 —-; “€42: According to the 1.5 u IQR criterion, are there any poten ' outliers in the data set? A) yes 47 B) yes, 47 and 819 D) yes, 819 i9? : +1w— 22.2, = ”is, C93 i“ 372 " JWU) +257'2" 75% l.5( 19023.12. q. - 3'1 7. 1 22‘0' 3'12: #4:} ...
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