CBSE /Class 9
Maths MCQ Based On Basic terms of statistics
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CBSE Class 9 Maths Basic terms of statistics
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When the information was gathered from a source that already had the information stored, the data obtained is called secondary data. If the information is collected by the investigator from his/her own created records is called Primary data.
Recall the terms used in statistics.
What is the difference between primary and secondary data?
What is the difference between primary data and secondary data?
What is primary and secondary data?
Data collected by himself/ herself is primary data and when data is collected from a source is secondary data.
n is the number of observations.
Recall the definitions of median, mode, frequency and raw data.
Recall the definitions of primary and secondary data.
Did Mrs. Ahuja gather information on her own, or did she use the stored information?
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