Directions: Determine the statistical test/s appropriate for the sample research. Make sure to explain your decision in two to three sentences. Appropriate Statistical Test Explanation Research Title 1. Relationship between Academic Stressors and Learning Preferences of Senior High School Students 2. Reading Electronic Learning Materials as a Support for Vocabulary of Grade 1 Pupils 3. Impact of the Implementation of COVID – 19 Health Protocols in Supermarkets on Consumer

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A: Given that  Sample size=700 The number of people who said unemployment would increase X=306 Populati...

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A: Given that x 20 -10 p(x) 1/4 3/4  What is his expected gain per toss?

Q: Create a Frequency Distribution Table and compute for the Mean, Median, Mode, Variance, and Standard...

A: Frequency distribution table is the tabular or graphical representation of the data set that represe...

Q: An agricultural research laboratory is evaluating two methods (Method 1, Method 2) for determining a...

A: Solution: Given information: n1=10  sample size of method 1n2=10  sample size of method 2s1=1.2 (mg/...

Q: A market has both an express checkout line and a super express checkout line. Let X, denote the numb...

A: It is given that the variable X1 denotes the number of customers in line at the express checkout at ...

Q: A frequency distribution is shown below. Complete parts (a) and (b). The number of televisions per h...

A: Given : x(televisions) Frequency(fi)=Households frequency distribution is (Televisions) (househol...

Q: A survey asks 1200 workers, "Has the economy forced you to reduce the amount of vacation you plan to...

A: Given : A survey asks to 1200 workers , "Has the economy forced you to reduce the amount of vacation...

Q: A college professor hands out a list of 10 questions, 5 of which will appear on the final examinatio...

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Q: You should write your reason for choosing correct answer. 2-A Suppose that a single-factor experimen...

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Q: A study was conducted to investigate the ages of college students. Let X = the age of a college stud...

A: 1. Define a random variable X, that is the age of a college student.

Q: FIND THE STANDARD DEVIATION The number of items sold per day at a retail store, with its correspond...

A: We have the probability distribution  

Q: 14. Interpret the following values : (i) Product moment coefficient of correlation is 0. (ii) Regres...

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Q: If n=15, z(x-bar)-D41, and s=2, find the margin of error at a 80% confidence level Give your answer ...

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Q: - 6 If regression coefficient of y on x (byx) = - 0.61 and regression coefficient x on y (bxv) = - 0...

A: It is given that byx = -0.61 and bxy = -0.53

Q: d. The following figures show the distribution of digits in mmbers chosen at random from elephone di...

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Q: Proffersor Stange has developed a new test of level of spiritual awareness for his course on religio...

A: Sampling Error: If the selected sample from the population does not represents the entire population...

Q: .2. From heights (x;) in inches, weights (x) in kg. and ages (x3) in years of a group of students, t...

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Q: Insurance companies are interested in knowing the population percent of drivers who always buckle up...

A: Confidence intervals is an inference process which can be used to estimate the population parameter....

Q: Cotinine levels were measured in a group of smokers (n = 31, x = 172.48 ng/mL, s = 119.50 ng/mL) and...

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Q: It is thought that 63.7% of the student body owns a school sweatshirt. A student reports that from a...

A: Given :  It is thought that 63.7% of the student body owns a school sweatshirt. A student reports th...

Q: Discuss the concept of the "Law of Large Numbers" and its role in the discipline of probability.

A: Given:  Law of large number and its role in the probability.

Q: The yield of a chemical process is being studied. From previous experience, yield is known to be nor...

A: Followings are the Answer of the Question  First calculate the Sample Mean for given samples  

Q: Calculate the standard deviation from the data given below : Size of item Frequency Size of item Fre...

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Q: Pick the correct answer and give some explaination, i make it as one question becase its have simple...

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Q: There were 200 students and their intelligence were measured. The mean and Standard deviation calcul...

A: We have given that  Sample size n =20 Mean = 110 and standard deviation =14 Wrong value =80  Correct...

Q: What is the height of this graph? There’s one rectangle missing. This graph represents silver in par...

A: We have to find height of missing ractangle.

Q: please make your handwriting clear

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for...

Q: Given this data, for the year: a. The average Acme customer lost power for how long? b. The average ...

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Q: Find the average rate of increase in population which in the first decade has increased by 20%, in t...

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Q: Question 10 Express the confidence interval 491 < µ < 732.4 in the form of z + ME, + ME = Question H...

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Q: What is the width of this graph?

A: Given that  In Histogram final grade score on X axis  Frequency on Y axis  Formula for width Width=u...

Q: There are 50 coins in a line, and each coin has a positive integral value. All the integral values s...

A: As both the players are equally strong, both will try to reduce the possibility of winning of each o...

Q: what percentage of online shoppers visited either OHaganBooks.com or a competitor?

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Q: 11.32 A chemist is interested in determining the weight loss y of a particular compound as a functio...

A: Given: Weight loss (y) Exposure time (x) 4.3 4 5.5 5 6.8 6 8 7 4 4 5.2 5 6.6 6 7....

Q: At a tennis tournament a statistician keeps track of every serve. The statistician finds that the me...

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Q: 5. Ten women are randomly selected and their weights (in lbs.) before and after they are put on a ne...

A: To test if means for two groups (i.e., "the weight before diet" and "weight after diet" in this case...

Q: The response variable for this study is:

A: Response variable is a variable which is affected by other variable. Explanatory variable is a varia...

Q: 3-28. A county library in Minnesota reported the following number of books checked out in 15 randoml...

A: Given data is5176,6005,5052,5310,4188,4132,5736,5381,4983,4423,5002,4573,4209,5611,4568Arrange the d...

Q: A music professor offers his 40 students the option of coming to an additional rehearsal session the...

A: It's a type of observational study. An observational study is one in which all the participants are ...

Q: deviation was 1.65 s. It has previously been assumed that the average adaptation time was at least 7...

A: Given: Sample size, n=9Population mean μ=7Sample mean x¯=6.32 Sample standard deviation s=1.65 Signi...

Q: The mayor's office wants to know how people in the city feel about the condition of the city's roads...

A: For the given statement select the correct choice

Q: 10. By Newton's or by any other algebraic method find the mumber of persons who probably will be tra...

A: Given the distribution table, we need to use Newtons  formula to find the number of passengers  if r...

Q: Let X1, X2, ., X, be i.i.d. from uniform distribution U[e, e + 1]. Consider the estimation of 0 unde...

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Q: A frequency distribution is shown below. Complete parts (a) and (b). The number of televisions per h...

A: Given : A frequency dist. is shown below The no. of televisions per households in a small town given...

Q: what is the probability that at least one will be working when I return?

A: Here given, The length of life of a certain brand of light bulb is normally distributed with a mean ...

Q: Consider the following regression model: Class Average; = Bo + B1 × Office Hours; + u; Class Average...

A: From the given information, the regression model is, Class averagei=β0+β1*Office Hoursi+ui Here, the...

Q: Identify the sample space of the probability experiment and determine the number of outcomes in the ...

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Q: If there is a relationship between the variables X and Y, then mathematically it can be expressed by...

A: We have given that  Linear regression equation with X and Y  Then we have to define what is beta1  A...

Q: The table contains the state population and the number of licensed drivers in the state (both in mil...

A: Given regression model is, Y=0.7X c) The number of licensed drivers in state J in 2014 is 1,037,000 ...

Q: Calculate the mean and variance of weekly wage of all workers taken together. Which factory has grea...

A: