Mathematics, 22.12.2020 02:30 hargunk329
A linear regression model describing the relationship between the carat weight and price of very high quality diamonds is summarized below.
r= 0.9693
y = 20312x - 5939
A diamond seller lists a very high quality diamond weighing 0.8 carats at a price of $9,999. Does this model over- or under-predict the price of this diamond?
a. The model over-predicts the price of this diamond because the residual is positive.
b. The model under-predicts the price of this diamond because the residual is positive.
c. The model over-predicts the price of this diamond because the residual is negative.
d. The model under predicts the price of this diamond because the residual is negative.
e. We do not have enough information to answer this question.
Answers: 2
Mathematics, 21.06.2019 15:30
State whether weight is a function of height for the six students and explain. a. yes, height is a function of weight because two students weigh 165 pounds but have different heights. b. no, height is not a function of weight because two students weigh 165 pounds but have different heights. c. yes, weight is a function of height because for each value of height there is one corresponding value of weight. d. no, weight is not a function of height because there is not enough data to determine a function.
Answers: 1
Mathematics, 21.06.2019 22:30
Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.
Answers: 1
A linear regression model describing the relationship between the carat weight and price of very hig...
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