Mathematics, 06.03.2020 08:55, coreycullen6862
Jane took a survey of the ages and number of younger siblings students in her school have. She found a line of best fit for her data. Which r-value suggests a strong negative correlation for her line of best fit?
A. r = 0.97351
B. r = −0.27331
C. r = −0.97351
D. r = 0.27331
Answers: 2
Mathematics, 20.06.2019 18:04, kalcius674
The functions q and r are defined as follows. q(x)= -2x+2 r(x)= x^2 - 1 find the value of r(q(
Answers: 1
Mathematics, 21.06.2019 19:00, milhai0627a
Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).
Answers: 1
Mathematics, 21.06.2019 19:40, evarod
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
Jane took a survey of the ages and number of younger siblings students in her school have. She found...
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