Find the equation of the line .that best fits, in the least squares sense, the data in the following table: xy 55 5 10 B 13 9 20 12 28 Form the system for m and b by substituting the points in the model, e.g. substituting the first point leaves the equation : 5 m + b =5 Report the value of m:

Q: Suppose you roll 10 4-sided dice. (a) What are the odds the sum is 10? (b) What are the odds the sum…

A:

Q: State if these variables would be expected to have a positive, negative, or no association. A.…

A: Note: Hi! Thank you for the question. As you have posted multiple sub-parts, according to our…

Q: Find median and mode of the messages received on 9 consecutive days 15, 11, 9, 5, 18, 4, 15, 13, 17.…

A: Median is the measure of central tendency. It divide the data set into two equal halves. It is the…

Q: If a person spends 60 on books priced at 4 each, 60 on books priced at 5 each and 60 on books priced…

A:

Q: Find median and mode of the messages received on 9 consecutive days 15, 11, 9, 5, 18, 4, 15, 13, 17.…

A: Data is given for received message on 9 consecutive days First we will arrange data We have to…

Q: The Occupational Safety and Health Administration (OSHA) mandates certain regulations that have to…

A: From the provided information, it is interpreted that: Before OSHA program:n1 (sample size)=40, x¯1…

Q: Introduction of Statistics. Write the answer before each item. 1. A branch of mathematics that deals…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: A discrete random variable has probability distribution: x= 1, 2,3,4, 5 and P(x) =0.12,0.15, 0.23,…

A: A discrete random variable is a variable whose values can be obtained by counting. The standard…

Q: Write the estimated regression equation using the least squares estimates for b0b0 and b1b1

A: It is given that Intercept b0 = 477.24183007 And coefficient of month b1 = 26.73477812

Q: given by f(z) = e²,0 <=z <=10 Calculate the probability that z is less than 0.5 O O a. b. 0.83 0.393…

A: Obtain the probability that the Z is less than 0.5.   The probability that the Z is less than 0.5 is…

Q: K By rewriting the formula for the Multiplication Rule, you can write a formula for finding…

A: given data,conditional probability of event B occuring , given event A has occuring isp(BA)  = p(A…

Q: An HR manager wants to know if there is a difference between sexes (males and females) on number of…

A: The objective is to identify the scale of measurement of the dependent variable in the given…

Q: Identify two types of variables and four scales of measurement. How they are related with each…

A: Variables: In statistics, variable is defined as an entity which may takes different values. It…

Q: Assume that different groups of couples use a particular method of gender selection and each couple…

A: (a)   Obtain the mean for the number of girls in groups of 49 births.   The mean for the number of…

Q: Determine whether the value is a parameter or statistic: In a weight loss research study the sample…

A: The descriptive characteristic (which is numeric in nature), which is computed from a sample (or…

Q: B. Solve the following problems. 1. The mean of the students in Grade 1 section Newton is 125 cm and…

A:

Q: Complete the table. Write fractions and mixed numbers in lowest terms. Fraction Decimal Percent 20%…

A: Given: Percent = 20%

Q: The probability distribution for the random variable, x, is x:2, 2.5,3.0,3.5,4.0 ,4.5 and P(x):0.07,…

A: x p(x) 2 0.07 2.5 0.36 3 0.21 3.5 0.19 4 0.10 4.5 0.07

Q: Having the text (AA AB AC BCCBBAAADB B B C D). Find The information content in (C)

A:

Q: Calculate the following for the given frequency distribution: Data Frequency 50 −- 53 12 54 −- 57…

A: The question is about frequency distribution Given :   To find : 1 ) Popl. mean 2 ) Popl. std.…

Q: The height (in feet) and volume (in cubic feet) of usable lumber of 32 cherry trees are measured by…

A: The scatterplot of usable lumber volume vs tree height is given.

Q: for the binary system if the entrop so the probabilities are: a. 0.3 and 0.7

A: Entropy  Entropy = H(y) = -∑j=1mP(yj) log2P(yj)

Q: A source produces dots. And dashes - with P(dot)=0.65. Find the entropy.

A:

Q: Determine the mean, media, mode of the above data Prove the two properties of the mean of the data…

A: Given: Data, X 2 11 6 4 18 1 9 2 2 15 8 16 12 11 17 3 3 5…

Q: Which of the following is NOT a principle of probability? Choose the correct answer below. O A. All…

A: In given options  which is not a principle of probability,

Q: A = {1, 3, 5, 7), B = {3, 5, 8, 9, 12). Then show that A-B #B-A

A:

Q: termine whether the following procedure results in a binomial distribution or a distribution that…

A:

Q: The graph shows the amount of profit, in millions of dollars, for a large company in Seattle. The…

A: Obtain the value of the absolute change from 2012 to 2014. The value of absolute change from 2012 to…

Q: The random variable given in the accompanying table is because

A: Here given for the Probability distribution of Number of girls.

Q: Find the number of ways of arranging the letters of the words DANGER, so that no vowel occupies odd…

A:

Q: The probability a machine has a lifespan of more than 5 years is 0.8. Ten machines are chosen at…

A: Given: Probability (p) =0.8Sample size (n)=10number of success(x)=8 X follows binomial distribution.

Q: Use inductive reasoning to predict the next line in the sequence of computations. Then use a…

A: Given Sequence is: 333*333667=111111111 666*333667=222222222 999*333667=333333333…

Q: 4. Freelance reporter Irwin Fletcher is examining the historical voting records of members of the…

A: Since you have asked multiple subpart, we will answer the first three subparts.  Given Information:…

Q: An academic department with five faculty members-Anderson, Box, Cox, Cramer, and Fisher-must select…

A: given data five members : anderson,box,cox,cramer,fisher select two person at random.

Q: III. Mean, Variance and Standard Deviation of Discrete Random Variable bers (15-17). Determine the…

A: We have to find mean and Sd for given data.  As per guideline expert have to answer one question…

Q: Year 1 2 3 Discussion Questions 3. The following is the experience of Insurer B for the last three…

A: Given that: Year Number of Exposures Number of Collision Claims Collision Losses ($) 1 20000…

Q: Suppose that a system generates a stream of upper case alphabetic characters and that the…

A:

Q: n psychology students took a standardized test. The scores are summarized in the Frequency…

A:

Q: te the means and standard deviations of:1, 2, 3, 4, 5 O a. mean = 3; st. dev. = 1.414 b. mean = 3;…

A: x 1 2 3 4 5 ∑x = 15

Q: Among 12 metal parts produced in a machine shop, 3 are defective. (a) If a random sample of three…

A: From the provided information, Among 12 metal parts produced in machine shop, 3 are defective so…

Q: Data was collected for 300 fish from the North Atlantic. The length of the fish (in mm) is…

A: Introduction: It is required to identify the upper class limit for the fifth class.

Q: for the binary system if the entropy =0.9710, so the probabilities are:

A: here we are given that the entropy of the binary system is H(X)=0.9710

Q: Company A produces 10% defective products, Company B produces 20% defective products and C produces…

A: Given: P(defective|A)=0.10P(defective|B)=0.20P(defective|C)=0.05 Company choosing equally likely…

Q: Suppose that x has a hypergeometric distribution with N = 10, r = 4, and n = 3. (b) Find the mean…

A: Given that  N = 10, r = 4, and n = 3 Mean = μx = n * r / N = 3 * 4 / 10 = 1.2

Q: Among 450 randomly selected drivers in the 20-24 age bracket, 7 were in a car crash in the last…

A: The total drivers are 450 in which 7 were in a car crash in the last year.

Q: suppose that 62% of all college seniors have a job prior to graduation. If a random sample of 45…

A: Obtain the approximate probability that at least 24 have a job prior to graduation. The approximate…

Q: Data was collected for 40 randomly selected trees growing in the median strip of a busy freeway. The…

A: Determine the minimum possible tree height for the given histogram.   The minimum possible tree…

Q: Given the following histogram for a set of data, how many values in the data set are greater than…

A:

Q: Sarah is conducting a research only study in which one group of participants consume one cup of…

A: The study is about assessing attention levels of these participants.

Q: Suppose 2000 students did an exam so the list of 2000 exam marks is a quantitative variable X. Also…

A: