Mathematics, 12.10.2019 22:00, avastanleyy
Construct a scatterplot and calculate the correlation coefficient of the above data. what does the scatterplot and correlation coefficient tell us about the relationship that exist between y and x?
a) very strong, negative, linear correlation
b) moderately strong, negative, linear correlation
c) do not share a linear correlation since the curve is present in the scatterplot
d) moderately strong, positive, linear correlation
Answers: 2
Mathematics, 21.06.2019 12:30, lyssa128
1. a driveway has a 15° grade. if the driveway is 40 meters long, how much does the driveway rise? (nearest tenth of a meter) 2. a person located 4 miles from a rocket launch site sees a rocket at an angle of elevation of 32°. at that moment, how high is the rocket above the ground? (nearest tenth of a mile) 3.an airplane approaches an airport landing strip with an angle of depression of 12°. if the airplane is flying at an altitude of 20,000 feet, find the distance on the ground that the plane will need to land. (nearest 1,000 feet) 4.two buildings are located on opposite sides of the street, 40 meters apart. the angle of elevation from the top of the shorter building to the top of the taller building is 53°. if the taller building is 300 meters tall, what is the height of the shorter building? (nearest meter) 5.george is 187 cm tall. his son, ralph, is 142 cm tall. who casts the longer shadow. george when the sun is 65° above the horizon, or ralph when the sun is 56° above the horizon? how much longer? (nearest centimeter)
Answers: 1
Mathematics, 21.06.2019 14:30, serenityburke
Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4
Answers: 2
Construct a scatterplot and calculate the correlation coefficient of the above data. what does the s...
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