Mathematics, 17.08.2021 02:00 animexcartoons209
Regina owns a small car dealership and she completed a series of studies to better understand what factors affect the price of cars. In her second study, she wants to know whether car price is affected by the number of doors a car has. So he compares car price with number of doors (there are only two choices: 2-door and 4- door) to see which costs more (alpha of 0.05). Which of the following statements best describe the results of this study?
a) There is a significant difference between the two groups, 2-door cars cost more
b) There is a significant difference between the two groups, 4-door cars cost more
c) There is no significant difference between the two groups, two types of cars cost about the same
d) There is no significant difference between the two groups, two types of cars cost different
Answers: 3
Mathematics, 21.06.2019 21:30, Kittylover65
The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?
Answers: 2
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