Math210- Assignment1

Mark: /30

For full marks, provide detailed solutions in the spaces provided. Use a statisticalsoftware onlyforQuestion6.Lateassignmentswillnot beaccepted.

1. Forthedatabelow,representingasampleoftimes(inminutes)studentsspendsolvingacertainStatistics problem,find:

Data:5.0,5.2,x,7.2,5.2,5.5 [3marks]

1. x,knowingthatthemean is5.8min

1. Themode

1. Therange

Solvebyhand (withouttheuseofsoftware)andincludefullsolutions.

1. The following stem and leaf plot, representing the number of days a group ofpeopleexercised duringaone-yearperiod,find:[4marks]

Stem Leaves 3 0137 4 144447 5 0 25558 3 6 8 59