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7. A research is conducted to determine if listening to piano instrumental music would enhance vocabulary recall. The researcher exposed a group into two conditions (with music and no music) and recall as the dependent variable was measured using non-sense syllables. The scores are given below (a higher score means higher recall).: Participant No music With piano instrumental music ABCDEFGHIJKLMNOPQRST 526382 389 9 5 7 8 5 4 17 8 5 2 96 6 7 8 10 8 8 5 8 9 7 5 7 7 8 In Participant With relaxing nature sounds 6 6 6 7 7.1. Determine if there is a significant difference between the paired observations at a = .05. 7.2. Let us convert the scores into Pass or Fail (dichotomous data) so that those who scored 6 and above passed (coded as "1") and those who scored 5 and below failed (coded as "0"). Determine if scores have improved after the participants were exposed to the independent variable (soft instrumental music). Use a = .05. IN 8. Supposed we add another level of independent variable, this time with "relaxing nature sounds", and administer this to the same participants. The following scores were obtained: ABCDEFGHIJKLMNOPQRST 9 78 79 9 5 8 9 10 8 9 5 10 10 8 8 8 8 9 8.1. Test the null hypothesis (a = .05) that there is no significant difference in the recall of non-sense syllables among k dependent groups. 8.2. Convert the scores again into Pass or Fail (dichotomous data) so that those who scored 6 and above passed (coded as "1") and those who scored 5 and below failed (coded as "0"). Determine if scores among groups using a = .05. ANSWER ONLY 8

7. A research is conducted to determine if listening to piano instrumental music would enhance vocabulary recall. The researcher exposed a group into two conditions (with music and no music) and recall as the dependent variable was measured using non-sense syllables. The scores are given below (a higher score means higher recall).: Participant No music With piano instrumental music ABCDEFGHIJKLMNOPQRST 526382 389 9 5 7 8 5 4 17 8 5 2 96 6 7 8 10 8 8 5 8 9 7 5 7 7 8 In Participant With relaxing nature sounds 6 6 6 7 7.1. Determine if there is a significant difference between the paired observations at a = .05. 7.2. Let us convert the scores into Pass or Fail (dichotomous data) so that those who scored 6 and above passed (coded as "1") and those who scored 5 and below failed (coded as "0"). Determine if scores have improved after the participants were exposed to the independent variable (soft instrumental music). Use a = .05. IN 8. Supposed we add another level of independent variable, this time with "relaxing nature sounds", and administer this to the same participants. The following scores were obtained: ABCDEFGHIJKLMNOPQRST 9 78 79 9 5 8 9 10 8 9 5 10 10 8 8 8 8 9 8.1. Test the null hypothesis (a = .05) that there is no significant difference in the recall of non-sense syllables among k dependent groups. 8.2. Convert the scores again into Pass or Fail (dichotomous data) so that those who scored 6 and above passed (coded as "1") and those who scored 5 and below failed (coded as "0"). Determine if scores among groups using a = .05. ANSWER ONLY 8

MATLAB: An Introduction with Applications
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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7. A research is conducted to determine if listening to piano instrumental music would enhance vocabulary recall. The researcher exposed a group into two conditions (with music and no music) and recall as the dependent variable was measured using non-sense syllables. The scores are given below (a higher score means higher recall).: Participant A B C D E F 5 26 38 2 No music With piano instrumental music 6 6 6 7 9 6 6 7 8 10 8 8 5 8 G H I J K L M N O P Q 38995 7 8 5 4 1 7 9 7 5 7 7 R S T 8 5 2 8 7.1. Determine if there is a significant difference between the paired observations at a = .05. 7.2. Let us convert the scores into Pass or Fail (dichotomous data) so that those who scored 6 and above passed (coded as "1") and those who scored 5 and below failed (coded as "O"). Determine if scores have improved after the participants were exposed to the independent variable (soft instrumental music). Use a = .05. 8. Supposed we add another level of independent variable, this time with "relaxing nature sounds", and administer this to the same participants. The following scores were obtained: Participant ABCDEFGHIJKLMNOPQRST With 99 5 8 9 10 8 9 5 10 10 8 8 8 8 9 relaxing nature sounds IN 978 7 8.1. Test the null hypothesis (a = .05) that there is no significant difference in the recall of non-sense syllables among k dependent groups. 8.2. Convert the scores again into Pass or Fail (dichotomous data) so that those who scored 6 and above passed (coded as "1") and those who scored 5 and below failed (coded as "O"). Determine if scores among groups using a = .05. ANSWER ONLY 8
Transcribed Image Text:7. A research is conducted to determine if listening to piano instrumental music would enhance vocabulary recall. The researcher exposed a group into two conditions (with music and no music) and recall as the dependent variable was measured using non-sense syllables. The scores are given below (a higher score means higher recall).: Participant A B C D E F 5 26 38 2 No music With piano instrumental music 6 6 6 7 9 6 6 7 8 10 8 8 5 8 G H I J K L M N O P Q 38995 7 8 5 4 1 7 9 7 5 7 7 R S T 8 5 2 8 7.1. Determine if there is a significant difference between the paired observations at a = .05. 7.2. Let us convert the scores into Pass or Fail (dichotomous data) so that those who scored 6 and above passed (coded as "1") and those who scored 5 and below failed (coded as "O"). Determine if scores have improved after the participants were exposed to the independent variable (soft instrumental music). Use a = .05. 8. Supposed we add another level of independent variable, this time with "relaxing nature sounds", and administer this to the same participants. The following scores were obtained: Participant ABCDEFGHIJKLMNOPQRST With 99 5 8 9 10 8 9 5 10 10 8 8 8 8 9 relaxing nature sounds IN 978 7 8.1. Test the null hypothesis (a = .05) that there is no significant difference in the recall of non-sense syllables among k dependent groups. 8.2. Convert the scores again into Pass or Fail (dichotomous data) so that those who scored 6 and above passed (coded as "1") and those who scored 5 and below failed (coded as "O"). Determine if scores among groups using a = .05. ANSWER ONLY 8
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