Relationship between handedness and motor competence

by | Sep 4, 2021 | Homework Help

The relationship between handedness and motor competence in preschool children was investigated. For this purpose, two independent random samples of 41 left-handed and 41 right-handed preschoolers were administered several tests of motor skills. These tests yielded the means and standard deviations of motor skill scores in the table below. It is assumed that the standard deviations for the the population of left-handed scores as well as those for the right-handed are equal.)right-handed-98.119.2a. Set up the null and alternative hypotheses to test whether there is a difference in motor skill scores. b. Compute the test statistic (= observed value) for this test. c. Identify the the rejection region, using ? = .05. d. Draw your conclusion.e. State your conclusion in the context of the problem. Hypothesist Test for Differences in Two Means(assumes equal population variances)DataHypothesized DifferenceLevel of SignificancePopulation 1 SampleSample SizeSample MeanSample Standard…

Plagiarism-free and delivered on time!

We are passionate about delivering quality essays.

Our writers know how to write on any topic and subject area while meeting all of your specific requirements.

Unlike most other services, we will do a free revision if you need us to make corrections even after delivery.