Sta1502 exam - Study guides, Study notes & Summaries

Latest exam pack questions and answers and summarized notes for exam preparation.

sta1502 exam pack 2023

Latest exam pack questions and answers and summarized notes for exam preparation.

QUESTIONS WITH ANSWERS

This document contains STA1502 Recent exam Questions and solutions. Perfect for 2024 EXAM preparation

Latest exam pack questions and answers, perfect for exam preparation

STA1502 EXAM PACK 2022

Mean - correct answer Sum of all scores divided by the number of scores Median - correct answer Middle score when scores are order (half of scores are above it, half are below it. Mode - correct answer The most frequent score Variance - correct answer variance measures how far each number in the set is from the mean (average) Standard deviation - correct answer Average deviation of a value from the mean Normal distribution - correct answer Bell shaped and symmetrical around ...

STA1502 EXAM PACK & EXAM PREP 2022. STA1502 - Statistical Inference I Inference about the difference between two means: Independent samples STUDY Keller Chapter 13 Inference about comparing two populations 13.1 Inference about the difference between two means: independent samples Make sure that you understand figure 13.1 of Keller: Note that we need subscripts to distinguish between the parameters of two different variables! We are now sampling from two independent populations where th...

STA1502 EXAM PACK 2022. This is a complete and an all-inclusive guide to STA1502 Statistical Inference I. Assume equal variances. To obtain a (1 − α)100% confidence interval estimate for the difference between the two populations means, (µ1 − µ 2 ), we compute (x 1 − x 2) ± t α 2 ;(n 1+n 2−2) u s 2 pooled( 1 n1 + 1 n2 ) (a) t α 2 ;(n 1+n 2−2) = t 0.025; 25+25−2 = 2.009 s 2 pooled = (n1 − 1)s 2 1 + (n 2 − 1)s 2 2 n1 + n 2 − 2 = (25 − 1)1292 ...