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abra Test-Nyah ortir Internet raplorer Statistics MA205 HYB01 Test Test #1 Chapt

ID: 3207922 • Letter: A

Question

abra Test-Nyah ortir Internet raplorer Statistics MA205 HYB01 Test Test #1 Chapters 1 & 2 Submit Test This Test: 20 pts possible 8 of 20 complete) This Question: 1 pt Use the polygon to identify the class with the greatest and the dass with the What are the boundaries of the dass with the greatest trequency? frequency least, frequency O A 31-34 Raw MCAT Scores O B. 285-335 O C. 28.34 O D. 295325 What are the boundaries of the cass with the east frequency? O A. 13-16 O B. 115-145 O C. 10-16 O D. 10.5.155 9 22 25 28 31 34 37 40 43 46 Click to select your answer. O Ask me anything

Explanation / Answer

Answer

in the frequency polygon, the gap between two points along the horizontal axis(x-axis) is 3. This implies that the boundaries of each class is 3/2 = 1.5 away on either side of the value.

Now, the lowest frequency is 1 which appears against 13. So, the corresponding boundaries are 13 - 1.5 = 11.5 and 13 + 1.5 = 14.5 i.e., correct answer option is (B).

The greatest frequency is 14 which appears against 31. So, the corresponding boundaries are 31 - 1.5 = 29.5 and 31 + 1.5 = 32.5 i.e., correct answer option is (D)