Statistical Errors - Sampling Errors AND Non Sampling Errors | Types of Measurement Scales

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🚩Timestamps:- 
00:38 Types of Statistical Errors
01:12 a relation
02:13 Sampling Errors
06:49 Non-Sampling Errors
08:01 Types of Measurement Scales

09:59 Reference list entry
1. Scales of Measurement
https://byjus.com/maths/scales-of-measurement/ 
2. Levels of Measurement: Nominal, Ordinal, Interval & Ratio
https://www.questionpro.com/blog/nominal-ordinal-interval-ratio/ 

10:34 Non-Sampling Errors (continued…)
16:44 ways to rectify/minimize Non-Sampling Errors

Learning Outcomes:-

Through this module, you will gain understanding on:-

1.    Statistical errors

 

Statistical errors

Sampling errors

Non sampling errors

 

●     Larger investigation field, larger population size = Greater possibility of errors in data collection

 

Sampling errors-

●     Related to size or nature of the sample selected for study

●     Due to-

1)    Very small size of sample

2)    Non representative nature of sample

Sampling error = Estimated value of parameter - True value of parameter

●     Can be minimized by opting for a larger sample size

 

Non sampling errors-

●     Related to Collection of data

●     Due to-

1)    Difference in measurement scale

2)    Difference in rounding off procedure adopted by different investigators

3)    Respondents do not offer the required information

4)    Respondent fails to interpret the questions in the questionnaire

5)    Calculation errors/ arithmetical errors

6)    Sampling bias - for some reason, a part of target population is not included in the choice of sample

●     Is more serious - can NOT be minimized by opting for a larger sample size

Types of Statistical Errors, Sampling Errors, Non-Sampling Errors, Types of Measurement Scales | Collection of Data | 11th Commerce | by @statomics11comm

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Reference list entries:- 
1. Scales of Measurement
https://byjus.com/maths/scales-of-measurement/ 

2. Levels of Measurement: Nominal, Ordinal, Interval & Ratio
https://www.questionpro.com/blog/nominal-ordinal-interval-ratio/

TAGS (csv)
Types of Statistical Errors, Sampling Errors, Non-Sampling Errors, Types of Measurement Scales, Statistical Errors, Sampling Errors, Non Sampling Errors, Collection of Data, 11th Commerce CBSE, statomics11comm 

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