Question: I badly need your help to solve these please Example 33 The following set of raw data shows the lengths, in millimeters, measured to the

I badly need your help to solve these please Example 33 The following set of raw data shows the lengths, in millimeters, measured

I badly need your help to solve these please

to the nearest mm, of 40 leaves taken from plants of a

certain species. This is the table of frequency distribution. Lengths (mm) Frequency

Example 33 The following set of raw data shows the lengths, in millimeters, measured to the nearest mm, of 40 leaves taken from plants of a certain species. This is the table of frequency distribution. Lengths (mm) Frequency ( f, ) 25 - 29 2 30 - 34 4 35 - 39 7 40 -44 10 45 - 49 8 50 - 54 6 55 - 59 3 Solution The modal class is 40 - 44, so LbM. = . ..... a= . ..... -......= ...... and b= ......-...... =. . .... Thus Mo = LbMo + a -.C atb Mo = ......+ . . .... ...... . . ....+ .. .... Mo = ......+ ...... MO = . . . . ..... By histogram CE = . . .. .. - .. .. .. ...... DF = .. . ...-.. AP : PB = CE : DF 10 AP : PB = ...... . .. ..... P A B AP : AB = ...... : (.... + ....) Frequency AP : ...... = ...... . ....... AP - ....X ...... . . . . . . 4 AP= ....... .. Mo = 39.5 + AP 24.5 29.5 34.5 39.5 44.5 49.5 54.5 59.5 Mo = 39.5 + ...... =...... Lengths (mm) Example 34The weight, in kg, of 50 boys were recorded as shown in the table below: 55

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