A researcher has conducted a study to investigate the relationship between how important a person thinks appearance is and how much they spend on clothes each month. The first variable was 'self- rating of the importance of appearance' measured on a ten point scale (where 1 = not important and 10 = extremely important). The second variable was 'amount of money spent on clothes each month' measured by asking people to estimate to the nearest five pounds how much they spent ina typical month, The results are in the table below: Participant Self-rating s (initials) importance of Amount spent on of clothes each appearance month (Maloti) HP 6 80 EP 8 120 SF 100 PR 110 MS 7 75 JP 4 36 AG 15 BF 50 (a) Describe how an appropriate descriptive statistic could be used with the data in this table. (b) Provide 2 reasons to justify your choice. (c) Which inferential statistical (parametric and non-parametric) test would you use to analyze the data - give 2 reasons for your choices (d) Provide 2 reasons to justify your choice. 3. 3.

A researcher has conducted a study to investigate the relationship between how important a person thinks appearance is and how much they spend on clothes each month. The first variable was 'self- rating of the importance of appearance' measured on a ten point scale (where 1 = not important and 10 = extremely important). The second variable was 'amount of money spent on clothes each month' measured by asking people to estimate to the nearest five pounds how much they spent ina typical month, The results are in the table below: Participant Self-rating s (initials) importance of Amount spent on of clothes each appearance month (Maloti) HP 6 80 EP 8 120 SF 100 PR 110 MS 7 75 JP 4 36 AG 15 BF 50 (a) Describe how an appropriate descriptive statistic could be used with the data in this table. (b) Provide 2 reasons to justify your choice. (c) Which inferential statistical (parametric and non-parametric) test would you use to analyze the data - give 2 reasons for your choices (d) Provide 2 reasons to justify your choice. 3. 3.

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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Concept explainers

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.

Question

A researcher has conducted a study to investigate the relationship between how important a
person thinks appearance is and how much they spend on clothes each month, The first
variable was 'self- rating of the importance of appearance' measured on a ten point scale
(where 1 = not important and 10 = extremely important). The second variable was 'amount of
money spent on clothes each month' measured by asking people to estimate to the nearest
five pounds how much they spent in a typical month, The results are in the table below:
Participant Self-rating
of Amount spent on
of clothes
month (Maloti)
s (initials)
importance
each
appearance
HP
6
80
EP
8
120
SF
100
PR
110
MS
75
JP
36
AG
15
BF
50
(a) Describe how an appropriate descriptive statistic could be used with the data in this
table.
(b) Provide 2 reasons to justify your choice.
(c) which inferential statistical (parametric and non-parametric) test would you use to
analyze the data - give 2 reasons for your choices
(d) Provide 2 reasons to justify your choice.
3.
4.
3.

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