SUMMATIVE ASSESSMENT #2 (Data Analysis) - S-MATH001 Data Analytics for Engineering_CEE11 2nd Sem SY 2020-2021 - Download for quality grades

SUMMATIVE ASSESSMENT #2 (Data Analysis) - S-MATH001 Data Analytics for Engineering_CEE11 2nd Sem SY 2020-2021 - Download for quality grades |

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Question 1 Level of significance is also known as size of the rejection region or size of the critical region. Response: True Question 2 Given below is the result of DATA ANALYSIS using Microsoft ... Excel: t-Test: Paired Two Sample for Means Method A Method B Mean 49.4 44.6 Variance 315.1555556 205.8222222 Observations 10 10 Pearson Correlation 0.941718383 Hypothesized Mean Difference 0 df 9 t Stat 2.362243374 P(T<=t) one-tail 0.02122253 5/6/2021 SUMMATIVE ASSESSMENT #2 (Data Analysis) - S-MATH001 Data Analytics for Engineering_CEE11 2nd Sem SY 2020-2021 - SUMMA… https://dlsud.edu20.org/student_take_quiz_assignment/display/22508235?part=35&results=246069092# 2/10 t Critical one-tail 1.833112933 P(T<=t) two-tail 0.042445059 t Critical two-tail 2.262157163 What is your Decision? Response: Reject the null hypothesis. Question 3 A hypothesis test is done in which the alternative hypothesis is that more than 15% of a population is left-handed. The p-value for the test is calculated to be 0.25. Which statement is correct? Response: We cannot conclude that more than 15% of the population is left-handed. [Show More]