STATISTICS FINAL EXAMS WITH CORRECT SOLUTIONS 2026/JUST RELEASED !!!/GRADED A+

STATISTICS FINAL EXAMS WITH
CORRECT SOLUTIONS
2026/2027/UPDATED /GRADED A+

1. ______ Is A Measurement Of Dispersion Which Increases In
Sample Size...
A. Variance
B. Median
C. Reliability
D. Sample Space
E. Random Error - Answer-A. Variance



2. A Carload Lot Of Ball Bearings Has An Average Diameter Of
2.503 Cm. This Is Within The Specifications For Acceptance Of
The Lot By The Purchaser. The Inspector Happens To Inspect
100 Bearings From The Lot With An Average Diameter Of 2.515
Cm. This Is Outside The Specified Limits, So The Lot Is
Mistakenly Rejected. 2.503 Is Called A...
A. Statistic
B. Margin Of Error
C. Lurking Variable
D. Parameter
E. Standard Deviation - Answer-D. Parameter



3. A Lurking Variable Is...
A. One Of The Explanatory Variables Studied
B. Confounded
C. None Of These
D. Does Not Have Important Effect
E. A Variable That Has Important Effect But Is Not Part Of
The Study - Answer-E. A Variable That Has An Important
Effect But Is Not Part Of The Study

, 4. A Measurement Process Has________If Repeated Measurements
On The Same Subjects Give Different Results...
A. Variance
B. Bias
C. Correlation
D. Random Error
E. Predictive Validity - Answer-D. Random Error



5. A Measurement Process That Systematically Overstates Or
Understates The True Value Is...
A. Invalid
B. Biased
C. Unbiased
D. Valid
E. Unreliable - Answer-B. Biased



6. A Number That Describes A Population Is Called A...
A. Parameter
B. Statistic
C. Lurking Variable
D. Census
E. Placebo - Answer-A. Parameter



7. A Number That Describes A Sample Is Called A...
A. Parameter
B. Statistic
C. Lurking Variable
D. Census
E. Placebo - Answer-B. Statistic



8. A Report On The Problem Of Vacation Cruise Ships Polluting
The Sea By Dumping Garbage Overboard Said: On A Seven Day
Cruise, A Medium Size Ship (About 1000 Passengers) Might
Accumulate 222,000 Coffee Cups, 72,000 Soda Cans, 40,000
Beer Cans And Bottles, And 11,000 Wine Bottles. Are These