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BINGO is game of chance. The host has 75 balls numbered 1 through 75. Each player has a BINGO card with some numbers written on it. The participant cancels the number on the card when number written on the ball selected at random. Whosoever cancels all the numbers on his/her card, says BINGO and wins the game. The table given below, shows the data of one such game where 48 balls were used before Tara said 'BINGO'.
If the maximum number of students has obtained 52 marks out of 80, then
Following table shows the absentees record of 40 students in an academic year :
The India Meteorological Department observes seasonal and annual rainfall every year in different sub-divisions of our country. It helps them to compare and analyse the results. The table below shows sub-divisions wise seasonal (monsoon) rainfall (in mm) in 2023. Rainfall (mm) | No. of Sub-divisions 200 – 400 | 3 400 – 600 | 4 600 – 800 | 7 800 – 1000 | 4 1000 – 1200 | 3 1200 – 1400 | 3 Based on the information given above, answer the following questions :
The following table shows the number of traffic challans issued in the month of April by the traffic police: | Number of Challans | Number of Days | |-------|----------| | 0-10 | 3 | | 10-20 | 5 | | 20-30 | 10 | | 30-40 | 9 | | 40-50 | 2 | | 50-60 | 1 | | Total | 30 | Find the 'mean' and 'mode' of the above data.
In the formula x̄ = a + (Σxᵢdᵢ)/(Σfᵢ) for finding the mean of grouped data dᵢ's are the deviations from a of
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