Complete the following problems (from your textbook) for Week 2: 3.10 The file MobileLoyalty contains spending on products ($) during a three-month period by a sample of 15 customers receiving incentives throug a mobile loyalty program. 57.45 108.25 50.75 35.20 55.35 22.90 67.50 46.10 50.65 63.00 59.70 41.55 56.65 52.60 78.30 a. Compute the mean and median. b. Compute the variance, standard deviation, range, and coefficient of variation. Are the data skewed? If so, how? C. receiving

Q: humans we consume food. The body extracts good things such as proteins and vitamins and throws away…

A: We have given that,  The data set are,  5.94 5.79 4.21 6.59 4.59 3.33 5.27 3.27 Then,  We will find…

Q: i 0123 SOL 4 5 6 7 8 9 10 11 12 er of intants (of 2500) who remain disease-free at the end of each…

A: Given that , 2500 infants who were first seen at birth who remained disease-free and also given that…

Q: Please help me understand how to solve question and understand properly. A researcher conducted a…

A: Our researchers conducted a study about the hemoglobin levels among menopausal and non-menopausal…

Q: An advertising agency is testing the effectiveness of a new commercial. They are trying out the…

A: factor : time length and format time length level = 3(15,30,60 seconds) Format level =2(animated vs.…

Q: virus is that these cells die. In this study of the effectiveness of a new anti-viral drug on HIV,…

A: In this case, the baseline (x) is the independent variable, and the one year follow-up values (y) is…

Q: A certain allergen affects approximately 3 people per 10,000 in the United States. Assuming the U.S.…

A: Since the number of people affected per 10, 000 =3  so , if there is only one person then chance of…

Q: In 1999, the average percentage of women who received prenatal care per country is 80.1%. Table…

A: From the provided information, Sample size (n) = 46 Level of significance (α) = 0.05

Q: In your own words, explain the purpose of regression analyses.

A: Introduction The regression analysis (RA) is one of the major methods of statistical analysis.

Q: radon is a colorless, odorless gas that is naturally released by rocks and soils and may concentrate…

A: a. The 95% confidence interval for the mean reading μ can be calculated as:  t-interval = x̄ ±…

Q: A group of researchers is studying the effects of different exercise programs on weight loss. E…

A: Matched pairs design is basically an experimental design in which the observations or participants…

Q: how can i mmake a frequency table?

A: A frequency table has to be made.

Q: Why is the data lognorma

A: Given is a frequency distribution for the size of dust particles.

Q: Could you please highlight the correct answer. and explain it

A: For baby dolphin group,

Q: *4.41 What is the expected number of otitis-prone families of 100 five-sibling families?

A: First we have to find The proportion of 5 sibling families which are otitis prone purely due chance

Q: How profitable are different sectors of the stock market? One way to answer such a question is to…

A: (a) Given that; n1=32, x¯1=13.2n2=33, x¯2=10σ1=4.2, σ2=2.6 We need to find a 95% confidence interval…

Q: As humans we consume food. The body extracts good things such as proteins and vitamins and throws…

A:

Q: why it was converted to RCS?

A: The CCS is converted to RCS system to get the vector BA.  The vector calculation is easier in RCS…

Q: Speed is measured in miles per hour above or below the 60-mph speed limit, with 1 mph being the…

A: For certain study, speed is measured in miles per hour above or below the 60-mph speed limit, with 1…

Q: You hypothesize that exposure to music has an effect on learning, either helping it or harming it.…

A: Here, hypothesized that exposure to music has an effect on learning, either helping it or harming.…

Q: What does it mean when one of the two main effects is significant?

A: Given problem Given that   What does it mean when one of the two main effects is significant ?

Q: The concentration of cholesterol (a type of fat) in the blood is associated with the risk of…

A: Hypothesis testing is a major branch of statistics, which comes under inference statistics. In…

Q: You are employed by an environmental conservation agency that recently claimed that More Than 30% of…

A: State the hypotheses.

Q: As humans we consume food. The body extracts good things such as proteins and vitamins and throws…

A: The sample mean and standard deviation of the test results is,

Q: The placebo effect is particularly strong in patients with Parkinson's disease. To understand the…

A: It is given that:

Q: *4.38 What is the probability that an infant will have one or more episodes of otitis media by the…

A: From given data we have : total number of infants N=2500 the number of disease free infants at the 6…

Q: CD4 cells are carried in the blood as part of the human immune system. One of the effects of the HIV…

A: The data shows the 20 HIV-positive patients had their CD4 counts recorded and after using the drug…

Q: The SAT and ACT exams are often used to predict a student's first-term college grade point average…

A: (a) We know that a here refers to the intercept which means the value of a is the predicted ACT…

Q: Hi, I need some help foor this question. Please do not copy with chatgpt. Please write clear I need…

A:

Q: led variables such as water temperature and confounded?

A: Given: Researchers are studying the effect of pH level in water on the breeding habits of moon…

Q: Question 4 A family software company operating in 4 cities in the UK would like to automate customer…

A: Let the random variable X denotes the number of complaints received when being served by a virtual…

Q: Solve question 11 for part D only.

A: d. Decide whether the null hypothesis is rejected or not rejected:To determine whether the null…

Q: Accidents on highways are one of the main causes of death or injury in developing countries and the…

A: Given In foggy, rainy, and sunny conditions, 1/5, 1/11, and 1/20 of the accidents result in death,…

Q: As humans we consume food. The body extracts good things such as proteins and vitamins and throws…

A: Using Excel formula “=NORM.S.INV(1-(0.05/2))”, the critical value for 95% confidence level is zc…

Q: The number of fish in a lake decreased by 25% between last yeah and this year .last year there were…

A: Given: Number of fish in a lake last year was=60 Decrease of fish in the lake between last year and…

Q: Researchers have observed that rainforest areas next to clear-cuts (less than 100 meters away) have…

A: Given data:-10.8, -4.9, -2.6, -1.6, -3, -6.2, -6.5, -9.2, -3.6, -1.8, -1, 0.2, 0.1, -0.3, -1.4,…

Q: 1. A pork producer is interested in figuring out if weaning weight is associated with a pig's weight…

A: Introduction: It is required to obtain the correlation coefficient between the two variables,…

Q: Table #7.3.7 contains pulse rates after running for 1 minute, collected from females who drink…

A: The random variable pulse rate follows normal distribution. We have to test whether the mean pulse…

Q: 2. A psychologist uses a treatment method called Cognitive Behavioral Therapy (CBT) to help reduce…

A: Given, μd = 35 Sample mean: Md = 8.2 Sample standard deviation: sd = 426.3^0.5 = 20.65 n = 30

Q: Two of the hottest smartphones on the market are the newly released iPhone6 and the Samsung Galaxy…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: The DENR has a new procedure to detect algal bloom in water being tested. This new procedure is…

A: Given that   We have to find P(C/S)

Q: An article published in the American Journal of Hypertension reported the results of a longitudinal…

A: x1= Ten years ago, the number of people evaluated were classified as having high blood pressure =51…

Q: You take a survey that is supposed  to measure whether you are an extrovert or not. The score you…

A: Here, value of z score is 2.0 which is greater than 0.

Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.