Mean
Mode
Median
Range
42
43
44
45
46
47
48

Mean- 45

Median- 45

Mode- Nil

Range- 6

Step-by-step explanation:

Mean= sum of data set/number of data set= 42+43+44+45+46+47+48/7 =45

Median= arrange in an ascending order, then pick the middle data or number= 45

Mode- the number with highest frequency, in the case of this question, all number appeared once, hence no mode.

Range= difference between the highest and lowest value in a data set= 48-42=6

c

c

c

c

c

c

c

cc

c

step-by-step explanation:

1/3 + 1/3 ≠ 2/6 because 1/3 alone = 2/6  

step by step explanation:

1/3 + 1/3 = 2/3       2/3=4/6