Question

A taxi driver records the fares (in $) for a random sample of clients: Fare ($)...

A taxi driver records the fares (in $) for a random sample of clients: Fare ($) 68 59 71 34 52 46 58 10 72 35 Use Excel to complete the following sample statistics. Type in each of your answers rounded to 2 dp. (1 mark for each correct answer).

Calculate the mean Answer

Calculate the median Answer

Calculate the range Answer

Calculate the variance Answer

Calculate the lower quartile Answer

Homework Answers

Answer #1

putting above data in ascending order and calculating:

S.No X (X-x̄) (X-x̄)2
1 10 -40.500 1640.25000
2 34 -16.500 272.25000
3 35 -15.500 240.25000
4 46 -4.500 20.25000
5 52 1.500 2.25000
6 58 7.500 56.25000
7 59 8.500 72.25000
8 68 17.500 306.25000
9 71 20.500 420.25000
10 72 21.500 462.25000
Σx 505 Σ(X-x̄)2= 3492.5000
=Σx/n 50.50 s2=Σ(x-)2/(n-1)= 388.05556
                           s=√s2    = 19.6991

1)

mean =50.50

2)]

meidan =middle value =( 52+58)/2 =55

3)

range=max-min =72-10 =62

4)

variance =388.06

5)

lower quartile =middle value of lower half =3 rd value =35

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