Student # Hours
Student
# Hours
Twenty students were surveyed to find out how
many hours of TV they watch during a school
week. The results are shown to the right. Answer
the following questions and round your answers to
the nearest half hour.
1
2.
11
4
2
5
12
1
3
3
13
N
The mode of the data is
hours.
4
5
14
6
DONE
5
1
15
2.
6
4
16
3
7
6
17
10
8
12
18
10
9
2.
19
8
8
10
6
20
7

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.