the mark obtained by 20 students in mathematics in the examination are given below.

group the data into the class interval of length 10 and construct a frequency distribution.

table with tally marks

27, 38,25,18,9,24, 48, 15,27,35

23,45,32,16,26,39,20,33,40,37

Respuesta :

Answer:

Step-by-step explanation:

class interval

  1. 9-19
  2. 20-29
  3. 30-39
  4. 40-49

Frequency

  1. 5
  2. 7
  3. 6
  4. 2

tally

  1. IIIII
  2. IIIII   II
  3. IIIII   I
  4. II

Note: the fifth tally marks crosses the first 4 marks

I honestly just need the points thankyou