Control Group S2 604 10 60 M 10 604 fa) 40 60 607 40 604 10 20 607 40 (c) 607 A psychologist theorized that people can hear bette a large meal. Six individuals were randomly assign or a small meal. After eating the meal, their hear ability scores (high numbers indicate greater abil ing table. Using the .05 level, do the results suppo (a) Use the steps of hypothesis testing, (b) sketch t (c) explain your answers to someone who has nev Big Meal Group Hearing Small Meal Group Subject Hearing Subject D 19 E В F C Twenty students randomly assigned to an exper ional program; 30 in a control group do not. Aft- on their knowledge. The experimental group ha stimated population standard deviation of 3); with an estimated population standard deviat hould the experimenter conclude? (a) Use the : e distributions involved, and (c) explain your ith the t test for a single sample but not with t study of the effects of color on easing am particinants who completed the test print 232 222 3

Question

a psychologist theorized that people can hear better when they have just eaten a large meal. six individuals were randomly assigned to eat either a large meal or a small meal. after eating the meal, their hearing ws tested. the hearing abiity scores (high numbers indicate greater ability) are given in the fllowing table. using the .05 level, do the results support the psychologists theory? a. use the steps of hypothesis testing, b. sketch the distributions involved, and c. explain your answers to someone who has never had a course in statistics. 

Control Group
S2
604
10
60
M
10
604
fa)
40
60
607
40
604
10
20
607
40
(c)
607
A psychologist theorized that people can hear bette
a large meal. Six individuals were randomly assign
or a small meal. After eating the meal, their hear
ability scores (high numbers indicate greater abil
ing table. Using the .05 level, do the results suppo
(a) Use the steps of hypothesis testing, (b) sketch t
(c) explain your answers to someone who has nev
Big Meal Group
Hearing
Small Meal Group
Subject
Hearing
Subject
D
19
E
В
F
C
Twenty students randomly assigned to an exper
ional program; 30 in a control group do not. Aft-
on their knowledge. The experimental group ha
stimated population standard deviation of 3);
with an estimated population standard deviat
hould the experimenter conclude? (a) Use the :
e distributions involved, and (c) explain your
ith the t test for a single sample but not with t
study of the effects of color on easing am
particinants who completed the test print
232
222 3

Image Transcription

Control Group S2 604 10 60 M 10 604 fa) 40 60 607 40 604 10 20 607 40 (c) 607 A psychologist theorized that people can hear bette a large meal. Six individuals were randomly assign or a small meal. After eating the meal, their hear ability scores (high numbers indicate greater abil ing table. Using the .05 level, do the results suppo (a) Use the steps of hypothesis testing, (b) sketch t (c) explain your answers to someone who has nev Big Meal Group Hearing Small Meal Group Subject Hearing Subject D 19 E В F C Twenty students randomly assigned to an exper ional program; 30 in a control group do not. Aft- on their knowledge. The experimental group ha stimated population standard deviation of 3); with an estimated population standard deviat hould the experimenter conclude? (a) Use the : e distributions involved, and (c) explain your ith the t test for a single sample but not with t study of the effects of color on easing am particinants who completed the test print 232 222 3

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