Question

35, find the mean of the following data:
200-299 300-399 400 - 499 500 - 599 600 - 899 700 - 799 800 - 899
Frequency
118
2
139
126
151​

Answer 1

Step-by-step explanation:

Area of Rhombus = Area of square

=(4)

2

cm

=16sq.cm

Area of Rhobus =

2

1

×d

1

×d

2

16sqcm=

2

1

×2cm×d

2

∴d

2

=16cm

We know that Area of Rhombus =side×attitude

of side =

2

1

d

2

2

+d

2

2

=

2

1

4+256

=

2

1

260

∴Altitude=

side

AreaofRhombus

=

2

1

260

m

16sqcm

=

65

16

cm

Answer 2

Answer:

Step-by-step explanation: