Biostatistics For The Biological And Health Sciences 3rd Edition
By Marc Triola Mario Triola
,Chapter 2 Exam A
Name
MULTIPLE CHOICE. Select The Choice That Best Answers The Problem.
Use The Frequency Distribution To Answer The First Four Questions. A Sample Of 80 Juvenile Salmon Is
Grouped IntoThe Resulting Frequency Distribution Based On Their Weights.
Weight (In Grams) Frequency
100-149 15
150-199 10
200-249 30
250-299 25
1) The Distribution Of The Histogram For The Weights Of The Juvenile Salmon 1)
Appears:
A) Normal B) Skewed Left C) Uniform D) Skewed
Right
2) If A Relative Frequency Distribution Were Constructed For The Weights Of The Salmon, 2)
What WouldBe The Relative Frequency For The Class Weighing 150-199 Grams?
A) 12.5% B) 31.25% C) 18.75% D) 37.5%
3) If A Cumulative Frequency Distribution Were Constructed For The Weights Of The 3)
Salmon, WhatWould Be The Cumulative Frequency For The Class Weighing Less Than
200 Grams?
A) 15 B) 25 C) 55 D) 80
4) If A Pie Chart Were Constructed For The Weights Of The Salmon, What Would Be The 4)
Measure Of TheCentral Angle For The Class Weighing 200-249 Grams?
A) 67.5° B) 112.5° C) 45° D) 135°
,5) Which Choice Displays The Best Graphic Display Of The Amount Of Nitrous Oxide (NO) 5)
ExplainedBy The Amount Of Carbon Monoxide (CO) Emissions In Million Metric Tons
Over A Ten Year Period In The United States? The Data Set Is Below:
CO 5638 5708 5893 5807 5881 5939 6024 6032 5946 6022
NO 351 349 345 339 335 335 362 371 376 384
A) Nitrous Oxide (NO) And Carbon Monoxide (CO) B) Nitrous Oxide (NO) And Carbon Monoxide
(CO)Emissions In The U.S. Over Ten Years Emissions In The U.S. Over Ten Years
6500 6100
CO Emission in Million
Emission in Million
6000 6000
Metric Tons
Metric Tons
5500 5900
5000 5800
1 3 5 7 9 5700
Year 5600
320 340 360 380 400
NO Emission in Million Metric Tons
CO NO
C) Nitrous Oxide (NO) And Carbon Monoxide (CO) D) Nitrous Oxide (NO) And Carbon Monoxide (CO)
Emissions In The U.S. Over Ten Years Emissions In The U.S. Over Ten Years
400
NO Emission in Million
380
Metric Tons
360
340
320
5600 5800 6000 6200
CO Emission in Million Metric Tons
, 6) A Nurse Measured The Blood Pressure Of Each Person Who Visited Her Clinic. Following Is 6)
A Relative-Frequency Histogram For The Systolic Blood Pressure Readings For Those People
Aged Between 25 And 40 Years. The Blood Pressure Readings Were Given To The Nearest
Whole Number.Approximately What Percentage Of The People Aged 25-40 Had A Systolic
Blood Pressure ReadingBetween 110 And 119 Mm Hg Inclusive?
Systolic Blood Pressure For People Aged 25 – 40 Years
A) 0.35% B) 3.5% C) 30% D) 35%
7) A Nurse Measured The Blood Pressure Of Each Person Who Visited Her Clinic. Following Is 7)
A Relative-Frequency Histogram For The Systolic Blood Pressure Readings For Those People
Aged Between 25 And 40 Years. The Blood Pressure Readings Were Given To The Nearest
Whole Number.Approximately What Percentage Of The People Aged 25-40 Had A Systolic
Blood Pressure ReadingBetween 110 And 139 Mm Hg Inclusive?
Systolic Blood Pressure For People Aged 25 – 40 Years
A) 75% B) 89% C) 59% D) 39%