Publications by Marvanessa Dinorog

A Comparative Study on Learning Strategies of Male and Female and its Relationship on Academic Performance

17.12.2023

1. What is the socio- demographic profile of the respondents in terms of: 1.1 Gender c<-Comparative%>% group_by(Sex)%>% summarise(count=n())%>% mutate(Percentage =round((count/sum(count)*100),2)) paged_table(c) pie3D(x, labels = piepercent, main = "Male and Female Respondents", col = rainbow(length(x))) legend("topright", c("Male"...

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JOLINA STATISTICAL ANALYSIS

25.05.2023

library(tidyverse) ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ── ✔ ggplot2 3.4.0 ✔ purrr 0.3.4 ✔ tibble 3.1.8 ✔ dplyr 1.0.10 ✔ tidyr 1.2.1 ✔ stringr 1.4.1 ✔ readr 2.1.2 ✔ forcats...

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JOLINA STATISTICAL ANALYSIS - SMarcescens(PLANT)

25.05.2023

library(tidyverse) ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ── ✔ ggplot2 3.4.0 ✔ purrr 0.3.4 ✔ tibble 3.1.8 ✔ dplyr 1.0.10 ✔ tidyr 1.2.1 ✔ stringr 1.4.1 ✔ readr 2.1.2 ✔ forcats...

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Item #7 Final Term Exam Stat 54

25.05.2023

A librarian wishes to determine if it is equally likely that a person will take a book out of the library each of the six days of the week the library is open (assume the library is closed on Sundays). She records the number of books signed out of the library during one week and obtains the following frequencies: library(readxl) Chi_square_fo...

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Item #6 Final Term Exam Stat 54

25.05.2023

A psychologist conducts a study employing a sample of five children to determine whether there is a statistical relationship between the number of ounces of sugar a ten-year-old child eats per week (which will represent the X variable) and the number of cavities in a child’s mouth (which will represent the Y variable). library(readxl) Spear...

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Stat 56 Final Exam

25.05.2023

1. Describe two (2) research scenarios where cluster analysis may be used as the data analysis strategy. When a business wants to introduce a new product, it must first determine its target market. The corporation can discover unique groups of customers that may react differently to the new product by performing a cluster analysis on its custo...

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Item #4 Final Term Exam Stat 54

25.05.2023

A psychologist conducts a study to determine whether or not noise can inhibit learning. Each of six subjects is tested under three experimental conditions. In each of the experimental conditions a subject is given 20 minutes to memorize a list of 10 nonsense syllables, which the subject is told she will be tested on the following day. The thre...

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Item #5 Final Term Exam Stat 54

25.05.2023

A psychologist conducts a study to determine whether or not noise can inhibit learning. Each of 15 subjects is randomly assigned to one of three groups. Each subject is given 20 minutes to memorize a list of 10 nonsense syllables which she is told she will be tested on the following day. The five subjects assigned to Group 1, the no noise condi...

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Item #2 Final Term Exam Stat 54

25.05.2023

library(ggplot2) Warning: package 'ggplot2' was built under R version 4.2.2 A physician states that the median number of times he sees each of his patients during the year is five. In order to evaluate the validity of this statement, he randomly selects ten of his patients and determines the number of office visits each of them made during the ...

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Item #3 Final Term Exam Stat 54

25.05.2023

In order to assess the efficacy of a new antidepressant drug, ten clinically depressed patients are randomly assigned to one of two groups. Five patients are assigned to Group 1, which is administered the antidepressant drug for a period of six months. The other five patients are assigned to Group 2, which is administered a placebo during the s...

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