If a child psychologist wanted to determine if there is a relationship between gender of a child and favorite color from the choices of Blue, Green, Yellow, and Red what type of test would she want to run?  Explain

Q: What type of relationship is indicated in the scatterplot7

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Q: archer wants to determine whether there is an association between weight and scores on the…

A: Correlation It tells how the variables are linearly related with each other. It represents the…

Q: If there were drivers who drove 80 or 85 mph would the mean stay the same or get higher or lower?

A: The given frequency table is shown below: x f 85 2 80 3 75 15 70 20 65 50 60 45 55…

Q: Looking at this table, what is the overall gender breakdown of the voiceovers in 2020? Which gender…

A: Contingency table

Q: Four out of five students got As in math. What percent of students got As in math?

A: From the Percentages

Q: When taking a 34 question multiple choice test, where each question has five possible answers, it…

A: Given information- No. of question on multiple choice test, n = 34 Probability of correct answer, p…

Q: what is the table for (p ˄ q) → (p ˅ q)?

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Q: What is the Mean of the Men group? how about the Women group?

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Q: If your score on your next statistics test is converted to a z score, which of these z scores would…

A: Given that  The Z-score are -2.50, -1.50, 0, 1.00, 2.25

Q: How do you list in Ec format for outcomes

A: As per given by the question, How do you list in Ec format for outcomes? Now, The Ec means,  that…

Q: You plan to make a survey of 200 people. The plan is to talk to every 10th person coming out of the…

A: A sample is a sub part of population and it is selected randomly such that it is representative of…

Q: Here is a chart showing how many people are non-smokers, occasional smokers, and heavy smokers by…

A: Note:Hey there! Thank you for the question. Since you have posted two different questions together,…

Q: Keiko asked 15 students how many courses they have taken so far at her college. Here is the list of…

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Q: If exactly one number in a set of data is changed, will this necessarily change the mean of the set?…

A: For Mean: - We know that the mean is computed by using the sum of all the data points. If one of the…

Q: What is the median race time in seconds for this group of students

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Q: The table below shows how many employees owned 0, 1, 2, or 3 cars in a company made up of 15…

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Q: The mode of five numbers is 1,the median is 5 and the mean is 4.Find the numbers

A: Let the five numbers be a,b,c,d and e. From the given, the mode of these numbers is 1. Thus, it can…

Q: A company took a survey about its new product. 7,200 people liked the new product and 800 people did…

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Q: Martha wanted to find out the perceptions of Grade 12 learners in Homeschooling. She randomly…

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: An engineering professor conducted a survey regarding the favorite subjects of the students. The…

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Q: Find the mode, median, and mean of the scores. (If there is no mode, enter NON 6.05, 5.01, 5.14,…

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Q: What is the difference between the mean and median of the set S= (2,4,6,7,7,13,18,92)?

A: Given data set S = 2,4,6,7,7,13,18,92.Mean: mean is nothing but average value of the data…

Q: Three hundred individuals were asked to view the picture quality of four different TVs and asked to…

A: a. Null Hypothesis: H0: The proportions of four groups are equal. Alternative Hypothesis: H1: The…

Q: How many ways can the letters in the word median be arranged?

A: Given word is median In how many ways it can be arranged?

Q: on a multiple choice test with 20 questions, each question has 4 possible answers, one of which is…

A: We have to find mean  for students who guess at all  correct answers..

Q: Which of the following is the response variable in the study? Drug groups, children, serum alkaline…

A: Introduction: It is required to identify the response variable, and find the value of the test…

Q: Brad and Lena are recording their classmates' eye color for a statistics assignment. In Brad's…

A: Brad's class: green-eyed students = 3 total students = 25 ratio(A) = 325     Lena's class:…

Q: Do the data indicate a difference in preference for the three entrance?

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Q: A study was conducted to investigate a relationship between the colors of helmets worn by motorcycle…

A: When the given sample size is less than 30, then we use a small sample test in hypothesis testing.…

Q: The following data represents the students' scores :…

A: The given dataset can be represented as 81 35 86 91 69 72 47 66 80 55 90…

Q: how does ford or any other company (example of a company) use and inplement the x bar chart and the…

A: x¯ and R chart are quality control charts. Which are used to control the quality of the process.

Q: chology professor wants to know and gender. Test to see if a stude Psychology Nursing Other

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Q: In last year, five ranndomly selected students took a math aptitude test before they began their…

A: a) Excel Procedure: Enter X and Y in Excel>Data>Data Analysis> ‘Regression’>Select Y…

Q: In a set of 22 scores in statistics, the highest and the lowest scores were found to 89 and 25…

A: Measure of central tendency measures the central or average value of a dataset. Mean, median and…

Q: B. The average exam score for 10 students in a statistics class was 85. One student dropped the…

A: Given When n=10, average exam score for 10 students in a statistics x̄=85  When one student dropped…

Q: Give three numbers whose mean is 8, mode is 6 and median is 10 and range is 8.

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Q: How do the median number of video games owned compare for boys and girls?

A: We have to find median number of video games owned compare for boys and girls.

Q: What are the two types of incorrect decisions?

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Q: According to the U.S. Department of Labor, the median annual salary in 2003 for a physical therapist…

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Q: Draw the scatter diagram and make a comment which student acts most different than others?

A: a) Steps for scatter plot in Excel: Enter the data for x and y in Excel sheet>Select the columns…

Q: how do you determine how many observations are in the first class of a stem and leaf chart

A: The objective is to infer the no. of observations (or frequencies) in the stem-and-left plot.

Q: In a survey that asked individuals about their favorite styles of music, 37 replied rock, 27 said…

A: Mode: Mode is the value, which has the highest frequency among all other values of the observation.

Q: Katrina must take five exams in a math class. If her scores on the first four exams are 71, 69, 85,…

A: Given that Katrina scores on the first four exams are 71, 69, 85, and 83 and suppose she scores x…

Q: Describe how you would pick a sample for an interview. ng. (St-

A: here total 1950 student in school and here systematic sampling method is used

Q: On a quick survey, respondents had to pick their favorite dessert from ice cream, cake, chocolate,…

A: Let's find.

Q: The national profession exam for registered nurses, the NCLEX, has pass a rate of 85% for the first…

A: According to the given information in this question It follows binomial distribution with parameters…

Q: Which one measure of variation should you report for SOCIAL CLASS(1=lower, 2= working,…

A: The range is used as a measure of variation report for SOCIAL CLASS.

Q: If the mean of 5 values equals 34, then ΣΧ-

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Q: The data represents the number of points received in a quiz.  9, 9, 10, 10, 10, 1 Mean- 8.166...…

A: Given: mean = 8.166 media = 9.5 What is a better measure of center? The mean or median and why?