Question1: (Marks: 2+2+2+4=10 (a) Give an answer of thefollowings: For a series
ID: 2954591 • Letter: Q
Question
Question1: (Marks: 2+2+2+4=10(a) Give an answer of thefollowings:
For a series mean is 5 and mode is 2, find median of the series
What is aim of collecting numerical data for a statisticalstudy?
Write down the functions of statistics.
(b)
A paint retailer has had numerous complaints from customers aboutunder-filled paint cans. As a result retailer started to inspectthe incoming shipments. A recent shipment contained 2,440gallon-size cans. The retailer sampled 50 cans and weighted each ona scale capable of measuring weight up to four decimal places andproperly filled cans weight 10pounds.
Now for this problem
Describe a population
Describe a variable of interest
Describe the data type of variable
Describe asample
Question2: Marks: 2+2+6=10
(a) How collection of data is performed with the help ofenumerators?
(b) Average height of the students in a school is 5.2 inches. Asample of 12 students 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 samplingerror.
(c) Find the missing frequencies and complete the followingtable.
x f C.f Relative freq
2 2/15
4 1
6 7
8 3
10 15 1
Question3: Marks: 2+8 =10
(a) Can we find out the Median from the following data? If yes,write the reason (No need to calculate the median).
Wages of workers in a factory
Monthly Income (Rs.) NO. ofWorkers
Less than 2000/- 100
2000-2999/- 300
3000-3999/- 250
4000-4999/- 50
5000 & above 1200
(b) Compute Mean, Median and Mode from the followingdata.
No. of students 1 2 3 5 6
f 15 10 5 15 5
Explanation / Answer
x.H
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