Question

pls don't spam..thank you!!​

Answer 1

Answer:

class mark mean the middle term in the individual class intervals so

class mark = 10

20

30

40

50

and thn multiply and frequency

so answers will be

80

240

450

360

300

total class mark is 150

total (multiplication of frequency and class mark) is 1430

Step-by-step explanation:

now solve it via formula

mean = 1430divide by 150

answer is 9.533....

MARK IT BRAINLE AST ANSEWER