Answered: The material of the plate on which our…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The material of the plate on which our food is served might affect how much we eat (Williamson, Block, and Keller, 2016). Researchers gave 8 participant 2 donuts on paper plates and 8 participants 2 donuts on reusable plastic plates. They measured the grams of wasted food on each type of plate and analyzed the data using the SPSS printout below.

Use Use α = .05 _2tailto evaluate the statistic

**Attached are the images**

a. State the hypotheses

b. Show how the t was calculated using the values from the SPSS printout.

c. What is Cohen’s d?

d. Show how the 95% confidence interval was calculated.

e. State the conclusion in APA format.

Group Statistics
Std. Error
plate_type
N
Mean
Std. Deviation
Mean
8 36.0000
8 33.0000
grams_food_wasted paper
2.50713
.88641
plastic
2.82843
1.00000
Independent Samples Test
Levene's Test for Equality of
Variances
t-test for Equality of Means
95% Confidence Interval of the
Difference
Мean
Difference
Std. Error
Sig.
df
Sig. (2-tailed)
Difference
Lower
Upper
grams_food_wasted
Equal variances
.127
.727
2.245
14
.041
3.00000
1.33631
.13391
5.86609
assumed
Equal variances not
2.245
13.801
.042
3.00000
1.33631
.13003
5.86997
assumed

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