IGNOU AST 1 2026 - Which of the following statements are true? Give reasons for you

Question

Which of the following statements are true? Give reasons for your answer.

(i) F-distribution is always used in goodness of fit.

(ii) Measure of central tendency in a data set refers to the extent to which the observations are scattered.

(iii) A process is said to be under assignable cause when the points are above the VCL link of ( $\overline{X}, R$ ) chart.

(iv) Simple random sampling is done by using random number tables where the probability of drawing a digit is 0⋅ 1.

(v) All time series have a trend.

09 Jan 2026

Answer :

Word Count : 201

(i) False. F-distribution is not used in goodness of fit tests; it is primarily used to compare variances between two samples, such as in ANOVA (Analysis of Variance). The Chi-square distribution is commonly used for goodness of fit tests. (ii) False. The measure of central tendency describes the average or typical value in a data set,

_________ ________ _____ _____ _______ __________ ______ __________ _______ __________.
_________ ____ __________ ________ ___ ____.
_______ ________ ___ ___ __________ _______ _____ ________ ____ ________ ____ ___.
___ __________ ___ __________ _________ _____ ___ ___.
_____ __________ ________ _______ _____ ___ _______ ___ _____.
_________ ________ _____ ______ ___ ___ ________ _____ _______ ________.
_________ __________ ____ _______ _________ ___ ___ __________ ______ __________.
___ __________ __________ ________ ___ _________.
_____ ___ _____ ________ __________ ______ ______ _______ ___ ___.
_________ _______ _________ _____ __________.
________ _______ _____ ______ _________ ________ _______.
____ ___ __________ _______ _______ _________ ________ _____ _________ ________.
_______ _____ ___ __________ ______ ______ _____ ______ ______ ________ _____ _________.
________ ______ ___ _____ __________ _______ ________.
________ ______ _____ __________ ________.
______ ____ ____ ___ _______.
____ _____ __________ ________ __________.
___ ________ __________ ____ ________ ________.
________ _________.

IGNOU ACADEMY

Your IGNOU journey, made easier.

Solved Assignments
Study Notes
Guess Papers
Question Papers

Call Us WhatsApp

STUDY • PREPARE • SUCCEED

Skip in 10

IGNOU Solved Assignments Assignments Ignou Projects Project Previous Year Solved Exam Papers Notes Notes Sample Question Papers Sample Question Papers

Year	Number sold (thousands)
1990	3
1991	3
1992	3
1993	3
1994	6
1995	6
1996	6
1997	6
1998	9
1999	10
2000	12

	संयुक्त राज्य अमेरिका	इंग्लैंड	फ्रांस
नया साबुन पसंद करने वाले	81	43	26
पसंद नहीं करने वाले	219	257	274

गुच्छा	पेड़
गुच्छा	1	2	3	4
1	5	4	2	15
2	11	1	4	7
3	26	10	19	11
4	7	15	12	10
5	2	22	8	6

Time	Sample number
Time	1	2	3	4	5
9 am:	8	9	15	4	11
10	7	10	7	6	8
11	11	12	10	9	10
12	12	8	6	9	12
1 p.m.	11	10	6	14	11
2	7	7	10	4	11
3	10	7	4	10	10
4	8	11	11	11	7

घण्टे	0	2	4	6	8	10
विद्यार्थियों की संख्या	10	6	8	6	10	10

Hours	0	2	4	6	8	10
No. of students	10	6	8	6	10	10