Question 1: (Marks: 2+2+2+4=10 (a) Give an answer of the followings: (b) A paint

Question

Question 1:                                                                                                              (Marks: 2+2+2+4=10

(a)       Give an answer of the followings:

(b)                                                    

A paint retailer has had numerous complaints from customersabout under-filled paint cans. As a result retailer started to inspect theincoming shipments. A recent shipment contained 2,440 gallon-size cans. Theretailer sampled 50 cans and weighted each on a scale capable of measuringweight up to four decimal places and properly filled cans weight 10pounds.             

Nowfor this problem

Question 2:                                                                                                                        Marks: 2+2+6=10

(a) How collection of data isperformed with the help of enumerators?                              

(b) Average height of the students in a school is 5.2 inches. A sample of 12students showed the following heights in inches.

5.0, 5.3,5.2, 4.9, 4.11, 5.0, 5.5, 5.4, 5.1, 5.0, 5.2, 4.10

Calculate the sampling error.                       

(c) Find the missing frequencies andcomplete the following table.                         

x

f

C.f

Relative C.freq

2

2/15

4

1

6

7

8

3

x

f

C.f

Relative C.freq

2

2/15

4

1

6

7

8

3

Explanation / Answer

x.H

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