Refer to the research analysis output below. Which statement is TRUE?Group of answer choicesa. A total of 44 data were analyzedb. Both alpha and beta errors may have been committedc. More data should be collectedd. A beta error may have been committede. An alpha error may have been committed Two-Sample T-Test and Cl: CrackLength, Lense TypeTwo-sample I for CrackLengthLenseType N Mean StDev SE MeanGlass26 1.102 0.2220.044Poly20 1.370 0.3010.067Difference = mu (Glass)Estimate for difference: -0.268195$ CI for difference:T-Test of difference = 0 (vs not =) : T-Value = -3.48 P-Value = 0.001 DF = 44Both use Pooled StDev = 0.2593- mu (Poly)(-0.4236, -0.1127)

Refer to the research analysis output below. Which statement is TRUE? Group of answer choices a. A total of 44 data were analyzed b. Both alpha and beta errors may have been committed c. More data should be collected d. A beta error may have been committed e. An alpha error may have been committed

Refer to the research analysis output below. Which statement is TRUE? Group of answer choices a. A total of 44 data were analyzed b. Both alpha and beta errors may have been committed c. More data should be collected d. A beta error may have been committed e. An alpha error may have been committed

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section: Chapter Questions

Problem 25SGR

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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

Refer to the research analysis output below. Which statement is TRUE?

Group of answer choices

a. A total of 44 data were analyzed

b. Both alpha and beta errors may have been committed

c. More data should be collected

d. A beta error may have been committed

e. An alpha error may have been committed

Two-Sample T-Test and Cl: CrackLength, Lense Type
Two-sample I for CrackLength
LenseType N Mean StDev SE Mean
Glass
26 1.102 0.222
0.044
Poly
20 1.370 0.301
0.067
Difference = mu (Glass)
Estimate for difference: -0.2681
95$ CI for difference:
T-Test of difference = 0 (vs not =) : T-Value = -3.48 P-Value = 0.001 DF = 44
Both use Pooled StDev = 0.2593
- mu (Poly)
(-0.4236, -0.1127)

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