हिंदी

30 children were asked about the number of hours they watched TV programmes last week. The results are recorded as under: Number of hours 0 – 5 5 – 10 10 – 15 15 – 20 Frequency - Mathematics

Advertisements
Advertisements

प्रश्न

30 children were asked about the number of hours they watched TV programmes last week. The results are recorded as under:

Number of hours 0 – 5 5 – 10 10 – 15 15 – 20
Frequency 8 16 4 2

Can we say that the number of children who watched TV for 10 or more hours a week is 22? Justify your answer.

एक पंक्ति में उत्तर
Advertisements

उत्तर

No, in fact the number of children who watched TV for 10 or more hour in a week is 4 + 2 i.e.,6.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 14: Statistics & Probability - Exercise 14.2 [पृष्ठ १३८]

APPEARS IN

एनसीईआरटी एक्झांप्लर Mathematics [English] Class 9
अध्याय 14 Statistics & Probability
Exercise 14.2 | Q 7. | पृष्ठ १३८
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×