### Credit Card Usage AnalysisAccording to a recent article about individuals who have credit cards, the mean number of cards per person with credit cards is 4. To test this result, a random survey of 60 individuals who have credit cards was conducted. The survey only includes the number of credit cards per participant. The results of the survey are attached below.---**Survey Analysis:****(a) Variable of Interest**- What is the variable of interest in this study? Is it qualitative or quantitative?**Answer:** The variable of interest is the number of credit cards per person. This is a quantitative variable.**(b) Hypothesis Testing**- Do the results of the survey imply that the mean number of cards per individual is less than 4? Use the α = 0.05 level of significance.**Instructions for Analysis:**1. **Data from the Survey:** - [Click here to view the data from the survey.](#)2. **Standard Normal Distribution Table:** - [Click here to view the standard normal distribution table (page 1).](#) - [Click here to view the standard normal distribution table (page 2).](#)3. **Table of Critical T-Values:** - [Click here to view the table of critical t-values.](#)---**P-Value Analysis:**- The P-value is in the range: [Dropdown menu]- Make a conclusion regarding the hypothesis. The P-value is [Dropdown menu] than the level of significance [Blank space]. [Dropdown menu: less/greater]---**Hypothesis Conclusion:**- There [Dropdown menu: is/is not] sufficient evidence to claim that the mean number of credit cards is [Blank space] 4.---### Notes:- Links to survey data and statistical tables are provided for detailed analysis.- The conclusion will be based on the comparison between the P-value and the level of significance (α = 0.05).---**Graphs and Diagrams:**- This section refers to statistical tables and critical t-values essential for conducting hypothesis tests in statistical analysis.- When conducting the hypothesis test, refer to the provided links for accurate values from the standard normal distribution and critical t-values tables.--- ### Number of Credit Cards Per ParticipantThis dataset represents the number of credit cards held by individual participants in a study. The data is organized in a table format, with each row representing a participant and each column representing the number of credit cards they hold.| | | | | | | ||---|---|---|---|---|---|---|| 3 | 3 | 3 | 3 | 4 | 6 || 1 | 3 | 2 | 3 | 3 | 5 || 2 | 2 | 7 | 4 | 2 | 4 || 2 | 4 | 2 | 2 | 7 | 2 || 2 | 2 | 4 | 4 | 3 | 9 || 2 | 4 | 2 | 2 | 4 | 4 || 9 | 4 | 4 | 4 | 4 | 3 || 2 | 2 | 15 | 2 | 4 || 4 | 4 | 3 | 8 | 1 | 3 |Each number in the table corresponds to the number of credit cards held by each participant. For instance, the first participant has 3 credit cards, the second participant has 1 credit card, and so on.### Data Summary:- The number of credit cards varies between participants.- Some participants have as few as one credit card while others have up to 15 credit cards.### Educational Objective:This dataset can be used to teach students about data collection, data representation, and statistical analysis. By analyzing this data, students can learn to calculate mean, median, mode, and range, as well as to identify trends and patterns among participants.

Consider, μ as the population mean number of cards. Hypothesized mean : μ0:4 Sample size : n=60

Answered: (a) What is the variable of interest in…

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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Which graphic representation could a researcher use to help determine if a continuous variable followed a normal distribution? Bar chart Pie chart Box and Whisker Plot Histogram and Box plot
please answer letter E
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Patients with two kinds of diagnoses were randomly assigned to one of three types of therapy and the effectiveness of the therapy was measure a 1-to-15 scale (with a higher number indicating greater effectiveness). There were two patients per cell. Use the data available below to comple parts (a) through (d) below. Click the icon to view the data table. Click here to view page 1 of the table of cutoff values for the F distribution. Click here to view page 2 of the table of cutoff values for the F distribution. Click here to view page 3 of the table of cutoff values for the F distribution. Click here to view page 4 of the table of cutoff values for the F distribution (a) Carry out the analysis of variance (use the 0.05 significance level). Complete the analysis of variance table for the data set below. SS MS F Source Columns Rows Interaction Within Total (Round to two decimal places as needed.) Data Table Diagnosis I Diagnosis II Therapy A 5 1 7 Print Therapy B 7 12 Done Therapy C 4282…
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