6) A (real) published study in 2018 plotted the school grade distribution of female (red) and male (blue)students for STEM (science, technology, engineering, math) and non-stem subjects. The vertical lineof "top 25%" means among the top 25% in percentile for all students, female to male ratio is 1.1 to 1for STEM subjects (left), and female to male ratio is 1.3 to 1 for non-STEM subjects (right), and so on.Fig.3Frome Gender differences in individual variation in academic grades fail to fit expected patterns for STEMabDensity0.60.40.2STEMTop 25%, tm 1.1Top 5%, Im 0.9Top 1%, f:m 0.8Density06-0.4-02Non-STEMTop 25%, fm 1.3Top 5%, tm 1.1Top 1%, fm 0.9School gradesSchool gradesDiscuss whether each statement below is supported by the evidence presented in these two graphs(only), along with concepts from this course.a) [50 word limit] The standard deviation of girls' grades is higher than that of boys'.b) [150 word limit] Boys are better than girls in STEM. Girls are better than boys in non-STEM.

Given are the two graphs depicting the grades of males and females in STEM and non-STEM subjects.

Answered: Deraty 0.6 04- 0.2 STEM Top 25%, tm 1.1…

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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In the context of the problem posed, interpret the results of the test at the 5% significance level and make a conclusion about the hypotheses.
Discussion 6a: t-test for two samples Available on Feb 20, 2023 12:00 AM. Hidden before availability starts. Must post first. Subscribe Hi Chelsey, Comparing two groups: Identify a situation in your field of work that might call for the use of a t test for two samples. Which test will be used (independent or dependent)? Justify your choice, and of course clearly identify the variables (independent and dependent).
Stem Leaf 224 25 31344 35 66779 403 45 Using the data set above, determine if there are any outliers. If there are no outliers, enter DNE.
) The following data represents ages of Los Angeles city residents issued speeding tickets in 2017 between the hours of 3 p.m. and 5 p.m.. 17 30 45 20 39 21 28 19 24 21 34 38 39 29 20 20 22 44 36 16 16 20 23 26 32 25 28 22 22 26 43 20 Based on what you learned in the first and second module, what type of data are you working with for this study? Is it Discrete vs. Continuous? What Scale of Measurement applies? Provide a narrative description of the output in order to explain and interpret the data accordingly. Be sure to provide a detailed analysis applying all relevant key terms and concepts that have been addressed in the course thus far. Provide terms and definitions where appropriate. Additionally explain your choices in terms of which graph you selected and which measures you…
This exercise requires the use of a statistical software package. An article included the accompanying data on 17 fish caught in 2 consecutive years. Year Year 1 Year 2 Fish Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Weight Length (g) (mm) 775 581 540 647 539 890 674 784 570 626 728 868 1,041 805 833 765 728 410 368 357 373 361 385 380 400 407 410 421 446 478 441 454 440 427 Age (years) 9 11 15 12 9 9 10 12 12 13 12 19 19 18 12 12 12 (a) Fit a multiple regression model to describe the relationship between weight and the predictors length and age. (Use x₁ for length and X₂ for age. Round your numerical values to two decimal places.) (b) Carry out the model utility test to determine whether at least one of the predictors length and age are useful for predicting weight. Use a significance level of 0.05. Calculate the test statistic. (Round your answer to two decimal places.) F = Use technology to calculate the P-value. (Round your answer to four decimal places.) P-value = What can…
Which of these scenarios means that a pretest-posttest design with a non-equivalent control group is not suitable? Select all that apply. O a. All of the available participants will be receiving the intervention at the same time. O b. Authors want to examine for any trends in the data over time. O c. The participants were placed into the experimental and control groups by natural circumstances rather than random assignment. O d. Authors want to compare averages between two groups before and after the intervention using an ANOVA.
7:08 iTECH Part V ork.potsdam.edu Part VI © 4G37% 5 What graphical display is appropriate for comparing the distribution of patient death rates between hospitals that use computer systems and those that rely on the âlpaperâ system? A. A scatterplot. B. A bar chart. C. A stem-and-leaf display. D. Side-by-side boxplots. 4 Mr. Prudence read about the study results and concluded from there that hospitals should adopt computerized automation of notes and records because it increases patientsâ chance of survival. Which of the following is a correct statement about Mr. Prudenceâs conclusion? A. It is a valid conclusion because the study was based on a very large number of patients. B. It is a valid conclusion because the study results showed that hospitals which use computerized systems have a lower patient death rate. C. It is an invalid conclusion because this study does not necessarily prove a causal relationship between the use of ||| computerized system and hospital mortality. D. Both A)…
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Draw the appropriate graph for each of the data sets given below. Explain the chosen graphs and give a short interpretation
There is a strong relationship between heterosexual couples attractiveness scores. Therefore, a researcher wanted to determine if husbands attractiveness score may be predicted from their counterparts’ scores. Below are couples attractiveness ratings. Observation Wife (X) Husband (Y) 1 11 14 2 6 7 3 16 15 4 4 7 5 1 3 6 10 9 7 5 9 8 3 8 Complete the following ANOVA table Source SS DF MS F SSreg SSres SStotal
The provided table shows the in-state undergraduate tuition in 2014 and 2018 for 33 public universities.Virginia's data was identified as an unusual observation. Remove it from the dataset before performing the following analysis.Year2014Year2018Year2014Year2018Year2014Year2018UniversityUniversityUniversityPenn State17,50218,454Ohio State10,03710,726Texas979810,606Pittsburgh17,77219,080Virginia12,99817,564Nebraska80709154Michigan13,48615,262Cal-Davis15,58914,463lowa80799267Rutgers14,29714,974Cal-Berkeley12,97214,184Colorado10,78912,532Michigan StateCal-Irvine14,75715,614Iowa State7731898813,81314,460Purdue10,0029992North Carolina83468987Maryland942710,595Illinois15,02015,094Cal-San Diego13,45614.199Kansas10,44811,148Minnesota13,62614,693Oregon991811.898Arizona10,95712,487Missouri11,02112,055Wisconsin10,41010,555Florida63136381Buffalo887110,099Washington12,39411,517Georgia Tech11,39412,424Indiana10,38810,681UCLA13,02913,774Texas A&M917910,968Click to download the data in your…
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