419-T - Estimate The Mean And Median - Biostatistics Assignment Help

Assignment Task

Q. The annual imports (in million U.S $) of a country during 1990 to 2019 are given in Table 1.

Table 1. Shows the list of the annual imports during 1990 to 2019 6935 7619 9252 9941 8564 10394 11805 11894 10118 9432 10309 10729 10340 12220 15592 20598 28581 30540 39966 34822 34710 40414 44912 44950 45073 45826 44685 52910 60795 54763

a) Construct a grouped frequency distribution, for the amount that have spent on annual imports (in million U.S $), by using the interval: 6935-15912, 15913-24890, 24891-33867, 33868-42845, 42846-51823, and 51824-60801.

b) Also show the following on the same table.

i. Class mid points

ii. Relative frequencies

iii. Cumulative frequencies

iv. What is the Percentage of the most frequent expenditure interval on imports?

Q. Twenty people work in an office. They are paid hourly rates in euro 8, 6, 7, 6, 5, 4 ???? ???? , 7 ???? ???? , 6 ???? ???? , 8 ???? ???? , 10, 7, 5, 5 ???? ???? , 8, 9, 7, 5, 6, 8 ???? ???? , 6

a) For the above data, find

i. Standard Deviation

ii. Quartile Deviation

iii. Mean Deviation about mean

b) Which average would you use if you wanted to claim that the staff were:

i. well paid

ii. badly paid

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