I need assistance with #6 A and B B Homework#7-Basic Stats BeXB Homework#7 problemndards (see Table 8.2), this is a medium treatment cflect.b. Using the standard four-step procedure, conduct atwo-tailed hypothesis test with a = .05 to evaluatethe effect of studying from an electronic screen.7. Babcock and Marks (2010) review survey data from2003-2005, and obtained an average of uper week spent studying by full-time students atfour-year colleges in the United States. To determinewhether this average has changed in recent years, aresearcher selected a sample of ncollege students and obtained an average of Mhours. If the standard deviation for the distribution is4.8 hours perweck. does this sample indicate asignificant change in the number of hours spent study-ng? Use a tvwo-tailed test with re14 hours64 of today's12.58. Childhood participation in sports, cultural groups. andSoutheroups appeirs to be related to improved seltestecmfor dolescents (NL Gee Willims. Ilowdef-Chapman Marn.skawach 20un) Inareprsental a. Increasing the difference between the sample meanand the original population meanb. Increasing the population standard deviationc. Increasing the number of scores in the sample8. Childhoodyouth groesteem forChapman,tive study,history ofself-esteemtion of adola normal distandard de6. Ackerman and Goldsmith (2011) report that studentswho study from a screen (phone, tablet, or comput-er) tended to have lower quiz scores than studentswho studied the same material from printed pages.To test this finding, a professor identifies a sampleof n 16 students who used the electronie ver-sion of the course textbook and determines thatthis sample had an average score of M 72.5 onthe final exam. During the previous three years,the final exam scores for the general population ofstudents taking the course averaged p 77 with astandard deviation of o 8 and formed a roughlynormal distribution. The professor would like to usethe sample to determine whether students studyingfrom an electronic screen had exam scores that areparticipationa. Does thisclude thatare signifpopulatiob. Computedifferencec. Write a sehypothesiswould appsignificantly different from those for the generalpopulation.a. Assuming a two-tailed test, state the null hypoth-esis in a sentence that includes the two variablesbeing examined.9. The psycholocurriculum byofferings. Tooong20.Cengage Cea ng A nts Resered Sytecopd scanned n du3

6. Ackerman and Goldsmith (2011) report that students who study from a screen (phone, tablet, or comput- er) tended to have lower quiz scores than students who studied the same material from printed pages. To test this finding, a professor identifies a sample of n 16 students who used the electronic ver- %3D sion of the course textbook and determines that this sample had an average score of M 72.5 on the final exam. During the previous three years, the final exam scores for the general population of students taking the course averaged p 77 with a standard deviation of o 8 and formed a roughly normal distribution. The professor would like to use the sample to determine whether students studying from an electronic screen had exam scores that are significantly different from those for the general population.

6. Ackerman and Goldsmith (2011) report that students who study from a screen (phone, tablet, or comput- er) tended to have lower quiz scores than students who studied the same material from printed pages. To test this finding, a professor identifies a sample of n 16 students who used the electronic ver- %3D sion of the course textbook and determines that this sample had an average score of M 72.5 on the final exam. During the previous three years, the final exam scores for the general population of students taking the course averaged p 77 with a standard deviation of o 8 and formed a roughly normal distribution. The professor would like to use the sample to determine whether students studying from an electronic screen had exam scores that are significantly different from those for the general population.

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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Question

I need assistance with #6 A and B

B Homework#7-Basic Stats BeX
B Homework#7 problem
ndards (see Table 8.2), this is a medium treatment cflect.
b. Using the standard four-step procedure, conduct a
two-tailed hypothesis test with a = .05 to evaluate
the effect of studying from an electronic screen.
7. Babcock and Marks (2010) review survey data from
2003-2005, and obtained an average of u
per week spent studying by full-time students at
four-year colleges in the United States. To determine
whether this average has changed in recent years, a
researcher selected a sample of n
college students and obtained an average of M
hours. If the standard deviation for the distribution is
4.8 hours perweck. does this sample indicate a
significant change in the number of hours spent study-
ng? Use a tvwo-tailed test with re
14 hours
64 of today's
12.5
8. Childhood participation in sports, cultural groups. and
Southeroups appeirs to be related to improved selt
estecmfor dolescents (NL Gee Willims. Ilowdef-
Chapman Marn.skawach 20un) Inareprsental

a. Increasing the difference between the sample mean
and the original population mean
b. Increasing the population standard deviation
c. Increasing the number of scores in the sample
8. Childhood
youth gro
esteem for
Chapman,
tive study,
history of
self-esteem
tion of adol
a normal di
standard de
6. Ackerman and Goldsmith (2011) report that students
who study from a screen (phone, tablet, or comput-
er) tended to have lower quiz scores than students
who studied the same material from printed pages.
To test this finding, a professor identifies a sample
of n 16 students who used the electronie ver-
sion of the course textbook and determines that
this sample had an average score of M 72.5 on
the final exam. During the previous three years,
the final exam scores for the general population of
students taking the course averaged p 77 with a
standard deviation of o 8 and formed a roughly
normal distribution. The professor would like to use
the sample to determine whether students studying
from an electronic screen had exam scores that are
participation
a. Does this
clude that
are signif
populatio
b. Compute
difference
c. Write a se
hypothesis
would app
significantly different from those for the general
population.
a. Assuming a two-tailed test, state the null hypoth-
esis in a sentence that includes the two variables
being examined.
9. The psycholo
curriculum by
offerings. To
oong20.Cengage Cea ng A nts Resered Sytecopd scanned n du
3

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