Question I The number of spelling errors per thousand words for 13 typists was recorded. The results arc shown below. Typist Number of Errors I XXXXXXXXXX XXXXXXXXXX XXXXXXXXXXII XXXXXXXXXX (a) Using...

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Answered Same DayDec 29, 2021

Answer To: Question I The number of spelling errors per thousand words for 13 typists was recorded. The results...

Robert answered on Dec 29 2021
136 Votes
Assessment Test B
Question 1
(a)
(i)
Mean = 30+35+24+38+48+46+40+45+43+53+64+62+4013 = 43.692
(
ii)
Mode is 40 as it is repeated twice
(iii)
The data in ordered format is 24,30,35,38,40,40,43,45,46,48,53,62,64
Median is the middle value which is 43
(iv)
The range is the di�erence between the largest and the smallest value
= 64-24=40
(b)
(c)
(i)
Frequency Distribution
1
(ii)
Histogram
Question 2
(a)
(i)
Discrete
(ii)
Discrete
(b)
(i)
The vowel e appears most frequently
2
(ii)
The vowels a,i,o occur with almost the same frequency
Question 3
(i)(
y2
64
) 1
3
= y
2∗ 1
3
64
1
3
= y
2
3
4
(ii)(
x2
3
)3
= x
6
27
(iii)
m−5 ÷m−3 = m−5−(−3) = m−2
(iv)(
x2
)3
= x6
Question 4
Part b)
(−2)3t2
z ÷
(
−2t2
)−4
= (−2)
3t2
z ×
(
−2t2
)4
= (−2)
3t2
z ×...
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