Question

Case Study Given below is the data found on a group of school going students. Study the data and answer the questions that follow HEIGHT INTERVALS ( in cm) 131 - 140 NO. OF STUDENTS 141 - 150 7 5 151 - 160 07 161- 170 171 - 180 181 - 190 10 Total 41 11) Class size of the 3 rd interval is a) 8 b) 9 C) 9.5 d) 10 12) Upper limit of the 5th class interval is a) 180 b) 170.5 C) 180.5 d) 179.5 13) Class mark of the 6th class interval is a) 184.5 b) 185 c) 185.5 d) 186 14) How many students have their height more than 160 cm? a) 19 b) 18 c) 27 d) 28 15) How many students have their height less than or equal to 180 cm? a 22 C) 29 d) 31 b) 19
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Answer 1

Answer:

फ्लड कंट्रोल स्पेसिफिकेशन इन रिसेंट ईयर्स जर्नी टू सेव वॉटर थ्रू वॉटर हार्वेस्टिंग