3. For 1 month, 500 elementary students kept a daily record
of the no. of hours of watching television. The average no.
of hours per week spent watching television was 28hours.
Researchers conducting the study also obtained report cards
for each of the students. It was found that the students,
who did well in school spent less time watching television
and those who spent more time, did poorly. Listed below
several possible statements concerning the research. Place
a check on the statement that is definitely not true.
Answer / piyush
Ans.- (a) The students who watch television more performed
poorly.
(b) If the students will not watch television
their performance will improve.
Is This Answer Correct ? | 2 Yes | 3 No |
A cycled from P to Q at 10 kmph and returned at the rate of 9 kmph. B cycled both ways at 12 kmph. In the whole journey B took 10 minutes less than A. Find the distance between P and Q.
What would be the simple interest obtained on an amount of Rs. 3460 at the rate of 8.5 per cent per annum after 6 years?
The benefit of Privy Purses had been abolished by Government of India in the year
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A fold density is 19 times greater than the water and for copper it is 9 times.At what ratio you can mix gold and copper to get 15 times denser than water.
What is the attitude
two trains are separated by 200km.one leaves at 6:00am from Delhi and reaches Merrut at 10.00 am.another train leaves from Merrut at 8.00 am and reaches Delhi at 11.30am.at what time two trains meet each other?
The price of Machine D equals the sum of the prices of machine A, B and C whose price are in the ratio 2:3:4 respectively. If weights of A, B, C and D varies as square of its individual price and difference of weight of D and A, B and C together is 9880 kg. Then what is the weight of D?
---- of a mutual instrument vibrate 6,8 & 12 intervals respectively. If all three vibrate together what is the time interval before all vibrate together again?
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Ramesh and his grandfather differ in their ages by 60 years. After 5 years, if the sum of their ages will be hundred years, what is the present age of Ramesh?
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