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Median: 15

Mean: 14.875 or 14.9 if rounded

Step-by-step explanation:

To find the median, arrange the numbers in order from least to greatest and find the middle value between the numbers.

To find the mean, add all the numbers and divide by however many numbers there are.

Median = 15

Mean = 14.6

Step-by-step explanation:

To find the median:

1) Set the numbers from least to greatest.

8, 10, 13, 14, 16, 18, 19, 19

2) Determine which number is in the center of the set:

8, 10, 13, 14, 16, 18, 19, 19

3) Since there are 2 middle numbers, you must first add them together:

14 + 16 = 30

4) Then divide the sum by the count:

30 / 2 = 15

To find the Mean:

1) Add up the all the numbers in the set

8 + 10 + 13 + 14  + 16 + 18 + 19 + 19 = 117

2) Divide the sum by the count:

117 / 8 = 14.6

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.