Mathematics, 30.03.2021 22:40 aaron2113
The table shows the number of hours spent practicing singing each week in three samples of 10 randomly selected chorus members.
Which statement is most accurate based on the data?
A). A prediction based on the data is reliable, because the means of
the samples are close together.
B). A prediction based on the data is reliable because each sample
has 10 data points.
C). A prediction based on the data is not completely reliable, because
the means are not the same.
D.) An predition based on the data is not completely reliable, because
the means of samples 1 and 2 are greater than 9 and the mean of
sample 3 is less than 9.
Answers: 3
Mathematics, 20.06.2019 18:02
Anew fountain in the shape of a hexagon will have 6 sides of equal length. on a scale drawing, the coordinates of the vertices of the fountain are: (7.5,5), (11.5,2), (7.5,−1), (2.5,−1), (−1.5,2), and (2.5,5). how long is each side of the fountain?
Answers: 3
Mathematics, 21.06.2019 19:30
Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?
Answers: 1
Mathematics, 21.06.2019 21:00
The radius of a sphere is 3 inches. which represents the volume of the sphere?
Answers: 1
The table shows the number of hours spent practicing singing each week in three samples of 10 random...
Mathematics, 21.11.2020 02:30
Biology, 21.11.2020 02:40
History, 21.11.2020 02:40
History, 21.11.2020 02:40
Chemistry, 21.11.2020 02:40
Chemistry, 21.11.2020 02:40
Mathematics, 21.11.2020 02:40
Health, 21.11.2020 02:40
Mathematics, 21.11.2020 02:40
Mathematics, 21.11.2020 02:40