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Math

The documents provide data on the average daily income tax calculated over different time periods for three different shops. The summaries include the class intervals, frequencies, midpoints, products, totals, formulas and calculated averages.

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Sherwin G. Iliw-iliw
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22 views6 pages

Math

The documents provide data on the average daily income tax calculated over different time periods for three different shops. The summaries include the class intervals, frequencies, midpoints, products, totals, formulas and calculated averages.

Uploaded by

Sherwin G. Iliw-iliw
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Long Method

Calculate the Average daily income tax 40 days on cross-stitch threads of the arts and crafts shop.

Amount in Pesos Frequency (x) Midpoint fx


172-180 7 176 1,232
163-171 6 167 1,002
154-162 5 158 790
145-153 3 149 447
136-144 5 140 700
127-135 6 131 786
118-126 8 122 976

__________________
N=40 Σfx=5, 933

Formula= x= Σfx

x= 5,933
40

x= 148.3
Long Method

Class interval Frequency (x) Midpoint fx


90-94 15 92 1,380
85-89 6 87 522
80-84 8 82 656
75-79 9 77 693
70-74 12 72 864
__________________
n=50 Σfx=4, 115

Formula= x= Σfx

x= 4, 115
50

x= 102.8 or 103
SODUKU PUZZLE

4 5 3 8 2 6 1 9 7
8 9 2 5 7 1 6 3 4
1 6 7 4 9 3 5 2 8
7 1 4 9 5 2 8 6 3
5 8 6 1 3 7 2 4 9
3 2 9 6 8 4 7 5 1
9 3 5 2 1 8 4 7 6
6 7 1 3 4 5 9 8 2
2 4 8 7 6 9 3 1 5
Long Method

Amount in Pesos Frequency (x) Midpoint fx


172-180 9 176 1,584
163-171 6 167 1,002
154-162 3 158 474
145-153 5 149 745
136-144 11 140 1,540
127-135 4 131 524
118-123 2 122 244

__________________
N=40 Σfx=5, 513

Formula= x= Σfx
n

x= 5,513
40

x= 137.82

x= 138
Long Method

Class interval Frequency (x) Midpoint fx


90-94 8 92 736
85-89 14 87 1,218
80-84 7 82 574
75-79 6 77 462
70-74 15 72 1,080
__________________
n=50 Σfx=4, 070

Formula= x= Σfx

x= 4, 070
50

x= 81.4 or 81
SODUKU PUZZLE

2 1 6 3 8 4 7 5 9
8 5 9 1 7 6 2 3 4
4 3 7 5 2 9 1 8 6
9 6 8 7 3 1 4 2 5
7 4 3 2 6 5 8 9 1
5 2 1 4 9 8 3 6 7
3 8 5 6 1 7 9 4 2
1 9 4 8 5 2 6 7 3
6 7 2 9 4 3 5 1 8

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