Data Management, please explain?

See attachement for what needs to be answered in the question.

Thanks in advance xx

1. The teacher of this class conducted a survey and asked the students how many hours of physical activity they have each week. She compared this information to their corresponding pulse rates below:

Pulse Hours of physical activity



92 12

91 14

80 21

78 25

85 15

79 20

103 5

114 2

85 15

90 15

95 12

87 0

110 2

102 5

68 24

125 0

100 40

97 10

96 15

88 17