In what follows use any of the following tests/procedures: Regression, multiple regression, confidence intervals, one sided T-test...

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Statistics

In what follows use any of the following tests/procedures:Regression, multiple regression, confidence intervals, one sidedT-test or two sided T-test. All the procedures should be done with5% P-value or 95% confidence interval.Some answers areapproximated, choose the most appropriate answer.OpenBrains data. SETUP: Scientists speculate that the heavier body thelarger the human brain (Volume). Given the data your job is toconfirm or disprove this assertion.

I. What test/procedure did you perform? (6.66points)

a. One sided T-test
b. Two sided T-test
c. Regression
d. Confidence interval

II. Statistical interpretation? (6.66points)

a. Since P-value is small we are confident that the slope isnot zero.
b. Since P-value is small we are confident that the averagesare different.
c. Since P-value is too large the test is inconclusive.
d. None of these.

III. Conclusion? (6.66 points)

a. Yes, we can confirm the assertion.

b. No, we cannot confirm the assertion.

CCMIDSA: Corpus Collasum Surface Area (cm2)   FIQ: Full-Scale IQ   HC: Head Circumference (cm)   ORDER: Birth Order   PAIR: Pair ID (Genotype)    SEX: Sex (1=Male 2=Female)   TOTSA: Total Surface Area (cm2) TOTVOL: Total Brain Volume (cm3)    WEIGHT: Body Weight (kg)8.42  96   57.2  1    6    1    1806.31 1079  61.2367.44  88   57.2  1    7    1    2018.92 1104  79.386.84  85   57.2  1    8    1    2154.67 1439  99.7926.48  97   57.2  1    9    1    1767.56 1029  81.6486.43  124   58.5  1    10   1    1971.63 1160  72.5767.62  101   57.2  2    6    1    1689.6 1173  61.2366.03  93   57.2  2    7    1    2136.37 1067  83.9166.59  94   55.8  2    8    1    1966.81 1347  97.5247.52  114   56.5  2    9    1    1827.92 1100  88.4527.67  113   59.2  2    10   1    1773.83 1204  79.386.08  96   54.7  1    1    2    1913.88 1005  57.6075.73  87   53   1    2    2    1902.36 1035  64.1846.22  101   57.8  1    3    2    2264.25 1281  63.9585.8   103   56.6  1    4    2    1866.99 1051  133.3587.99  127   53.1  1    5    2    1743.04 1034  62.1437.99  89   54.2  2    1    2    1684.89 963   58.9688.76  87   52.9  2    2    2    1860.24 1027  58.5146.32  103   56.9  2    3    2    2216.4 1272  61.696.32  96   55.3  2    4    2    1850.64 1079  107.5037.6   126   54.8  2    5    2    1709.3 1070  83.009

Answer & Explanation Solved by verified expert

4.4 Ratings (934 Votes)

Here I think the Regression test would be more appropriateBecause scientists speculate See Answer

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