Aptitude Tests Twenty-Eight Applicants Interested in Working in Community Services Took an Took

question 74

Essay

Aptitude Tests
Twenty-eight applicants interested in working in community services took an examination designed to measure their aptitude for social work. A stem-and-leaf plot of the 28 scores appears below, in which the first column is the count per "branch," the second column is the stem value, and the remaining digits are the leaves.
Count Stems Leaves
1 4 6
1 5 9
4 6 3688
6 7 026799
9 8 145667788
7 9 1234788
-Refer to Aptitude Tests table. What is the sample mean for this data set?

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Definitions:

Haploid

A cell or nucleus having a single set of unpaired chromosomes, typical of gametes in sexually reproducing organisms.

Different Parents

Refers to offspring produced through sexual reproduction, inheriting genetic material from two distinct parents.

Bare Rock

Exposed solid mineral material on the Earth's surface, devoid of soil, vegetation, or any organic matter.

Lichens

Symbiotic associations between fungi and algae or cyanobacteria, able to live in harsh environments and often found on rocks and trees.