Question

The box plots below show the distribution of grades in one class on two tests.
A box plot titled Test 1 Grades. The number line goes from 72 to 100. The whiskers range from 72 to 98, and the box ranges from 78 to 92. A line divides the box at 84.
Test 1 Grades


A box plot titled Test 2 Grades. The number line goes from 72 to 100. The whiskers range from 74 to 94, and the box ranges from 79 to 89. A line divides the box at 84.
Test 2 Grades

Which measures of center and variability would be best to use when making comparisons of the two data sets?
mean and MAD
mean and IQR
median and MAD
median and IQR

Answer 1

Answer:

hey mate

Fehling’s test consists of a solution that is usually prepared fresh in laboratories. Initially, the solution exists in the form of two separate solutions which are labelled as Fehling’s A and Fehling’s B. Fehling’s A is a solution containing copper(II) sulphate, which is blue. Fehling’s B is a clear liquid consisting of potassium sodium tartrate (Rochelle salt) and a strong alkali, usually sodium hydroxide. During the test solutions A and B are prepared individually and stored.

Step-by-step explanation:

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