ZK
Zybrea Knight
Answers (7)
ZK
Answered
The relationship between the price of yachts (y) and their length (x) is analyzed.The mean length was 41 metres with a standard deviation of 11.The mean price was $84,000 with a standard deviation of 14,000.The correlation between the price and the length was 0.41.
A) price ^\hat{\text { price } } price ^ = 31,800 + 1270 length
B) price ^\hat{\text { price } } price ^ = 70,800 + 0.000322 length
C) price ^\hat{\text { price } } price ^ = -962,000 + 547 length
D) price ^\hat{\text { price } } price ^ = -4,040,000 + 622 length
E) price ^\hat{\text { price } } price ^ = 62,605+ 522 length
A) price ^\hat{\text { price } } price ^ = 31,800 + 1270 length
B) price ^\hat{\text { price } } price ^ = 70,800 + 0.000322 length
C) price ^\hat{\text { price } } price ^ = -962,000 + 547 length
D) price ^\hat{\text { price } } price ^ = -4,040,000 + 622 length
E) price ^\hat{\text { price } } price ^ = 62,605+ 522 length
On Aug 03, 2024
E
ZK
Answered
For a particular miniature golf hole,the chance of getting a hole-in-one is only 18%.The chance of sinking any subsequent putt is 50%.Estimate the average number of putts for this hole.(NOTE: A hole-in-one counts as one putt.) Use 30 runs in your simulation.
A) About 3.5 putts
B) About 4.5 putts
C) About 4.0 putts
D) About 2.5 putts
E) About 1.5 putts
A) About 3.5 putts
B) About 4.5 putts
C) About 4.0 putts
D) About 2.5 putts
E) About 1.5 putts
On Jul 05, 2024
D
ZK
Answered
A team of researchers "predicted that men who believe that a woman was attracted to them would act on their belief and behave relatively more flirtatiously toward the woman than would men having no such belief" (Ridge & Reber, 2002) . In this study, the independent variable is best described as ______.
A) men who believe that a woman was attracted to them
B) gender
C) belief regarding a woman's attraction
D) amount of flirtatious behavior
A) men who believe that a woman was attracted to them
B) gender
C) belief regarding a woman's attraction
D) amount of flirtatious behavior
On Jul 01, 2024
C
ZK
Answered
The z-score representing the 10th percentile of the standard normal curve is -1.28.
On Jun 05, 2024
True
ZK
Answered
The ideal sampling frame is a list of at least 75% of all members of the target population.
On Jun 01, 2024
False
ZK
Answered
An airline offers daily flights between Chicago and Denver. The total monthly cost C (in millions of dollars) of these flights is modeled by C=0.2x+1C = \sqrt { 0.2 x + 1 }C=0.2x+1 , x≥0x \geq 0x≥0 , where x is measured in thousands of passengers. The total cost of the flights in June is 2.8 million dollars. How many thousand passengers flew in June? Round your answer to the nearest thousand.
A) 19 thousands passengers
B) 44 thousands passengers
C) 34 thousands passengers
D) 39 thousands passengers
E) 999 thousands passengers
A) 19 thousands passengers
B) 44 thousands passengers
C) 34 thousands passengers
D) 39 thousands passengers
E) 999 thousands passengers
On May 05, 2024
C
ZK
Answered
If the interaction effect is significant in a two-way ANOVA,then it is best to examine main effects by looking at _____.
A) profile plots of the group means
B) plots of the standard deviations
C) histograms of the dependent variable
D) Q-Q plots of the group means
A) profile plots of the group means
B) plots of the standard deviations
C) histograms of the dependent variable
D) Q-Q plots of the group means
On May 02, 2024
A