Write the equation of the straight line

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A: The only way to establish a relationship between the variables x and y is to have a set of data…

Q: Q6:The following distribution received each day during the past (50) days at the office of a…

A: To find: 1. Mean 2. Median 3. Mode

Q: esent weights for 25 items construct a frequency d 8, 10, 7, 2, 15, 3, 5, 15, 10, 15, 9, 8, 18, 1,…

A: Given as, Table,         15 , 9 , 18  ,10 , 5 , 8 , 10 , 7 , 2 , 15 ,  3   ,5 , 15  ,10 , 5 ,9 , 8 ,…

Q: American adults spend an average of 11 (standard deviation of 2.5 hours) hours per day watching,…

A:

Q: The following data are the final exam scores of the 15 students in a small calculus class. 83 72 74…

A: Solution-: We want to obtained, (a) Are these population or sample data? (b) Range of data set (c)…

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

Q: When constructing a pie chart, you include all categories of the data se pie.

A: Yes, when we have various types of different categories like spending on rent, education, health,…

Q: 2. 4 students apply to a PhD program. The program rejects 45% of all applicants. Students are…

A:

Q: QUESTION 15 The weight of football players is normally distributed with a mean of 200 pounds and a…

A: Obtain the minimum weight of the middle 95% of the players The minimum weight of the middle 95% of…

Q: This question is similar to Exercise 14 on page 363 of the textbook. A random sample of 15…

A: The sample mean is 172 and the standard deviation is 38.

Q: Q2: A: An incomplete frequency distributions is given as: given that the total frequency is 229 and…

A: variables frequency xi cf 10-20 12 15 12 20-30 30 25 42 30-40 x 35 42+x 40-50 65 45…

Q: Q1/ A- Represent the following data in a graph using the bar graph method. temperature today] 27…

A: Bar chart Bar chart is suitable when data is categorical. Frequency in a bar chart can be…

Q: Use the contingency table below to find the probability of the following events.   a.​ A|B b.​ A|B'…

A:

Q: Based on their records, a hospital claims that the proportion, p, of full-term babies born weigh…

A:

Q: Post hoc test such as scheffe and turkeys HSD, are never necessary for an analysis of variance…

A: Solution Turkeys HSD are used in the analysis of ANOVA.

Q: The frequency table of the monthly salaries of 30 people is shown below. salary(in $)…

A:

Q: It is known that for right-handed people, the dominant (right) hand tends to be stronger. For…

A: Given that Sample size=15 Test statistic=1.80 We have to find test statistic statistic follows which…

Q: A union of workers would like to estimate the mean hourly wage, the U.S. The union μ, of…

A: Given,population standard deviation(σ)=2.25margin of error(E)=0.35α=1-0.99=0.01α2=0.005Z0.005=2.576…

Q: Q4: Find for the following data (7,3,5,6,2,8,4) the mean absolute deviation, variance and standard…

A: Given n=7 7,3,5,6,2,8,4

Q: Which of the following is not a characteristic of the normal probability distribution?   a. The…

A: Characteristics of the normal probability distribution: Mean=median=mode.

Q: Q4: Find for the following data (7,3,5,6,2,8,4) the mean absolute deviation, variance and standard…

A: Given n=7 7,3,5,6,2,8,4

Q: You Foll six sided die. If you roll a 6, you win $7. If you roll a 4 or 5, you win $3. Otherwise,…

A:

Q: Continuous data is a type of data that is based on countable observations and is generally…

A: No, continuous data is not based on countable observations. It can be only observed and it is…

Q: ✓ tho it is known that the I of a group have a stand deviation of 14. A psych randomly selects 150…

A:

Q: sample variance for 415, 462, 417, 210

A: We have given that 415, 462, 417, 210 We have to find the sample variance of given data

Q: The following table is the frequency distribution for the amount 'screen time' (in hours) had each…

A: Solution-: Given data table: Screen Time Freq (fi) 0-4 16 4-8 18 8-12 14 12-16 2 We…

Q: 020 2121 2121 3535 4444 Number of Bids 22 55 88

A: Price in Dollars 2020 2121 2121 3535 4444 Number of Bids 22 55 88 99 99     X Y XY X2 Y2…

Q: In a random sample of 37 criminals convicted of a certain crime, it was determined that the mean…

A: Given data n=37 mean=61 standard deviation=8 confidence interval=95%

Q: 1. What are the two main types of variables? 2. What types of graphs you can draw for a Qualitative…

A: 1) The two main types of variables are Qualitative and Quantitative variables. A qualitative…

Q: X and Y are independent random variables with the following distribution: Distribution of X X 1 2…

A:

Q: In a survey of 1001 adults, a polling agency asked, "When you retire, do you think you will have…

A: Given data: n = 1001 X = 530

Q: X P(x) 0 0.15 1 0.25 2 0.2 0.4 3 Find the standard deviation of this probability distribution. Give…

A: Standard deviation(σ)=E(X2)-(E(X))2E(X2)=∑X2.P(X)E(X)=∑X.P(X)

Q: According to an American Laser Centers survey, 32% of adult men said that their stomach is the least…

A:

Q: D 00 00 75 65 100 200 280 75 120 200 300 85 140 200 300 100 144 200 500 100 150 200 ian = 150; Mode…

A: Given: Sample size n = 31 Formula used: Confidence interval = X ± t×sn

Q: I need help finding unusual values from a data set.

A: Here we find that unusual values from a data set.

Q: Too Small Too Large Total Low Income 17 23 40 High Income 24 11 35 Total 41 34 75 Based on this…

A: As Prof. P. K. Giri said - "The two by two contingency table (also called fourfold contingency…

Q: Sample A Sample B Two samples were taken from a large concrete mix and tested for the compressive…

A: Given that Two samples were taken from a large concrete mix and tested for the compressive strength…

Q: 2 About 60% of all customers of NASEE Charge Card pay their bills in full before any interest…

A: Given thatp = 60% = 0.60n = 16X ~Binomial(n, p) X ~ Binomial (16, 0.60)The PMF of the Binomial…

Q: Find the z value of 0.6988

A: Standardized z-score:   The standardized z-score represents the number of standard deviations the…

Q: Your medical research team is investigating the mean cost of a 30-day supply of a certain heart…

A: Claim: A pharmaceutical company thinks that themean cost is less than $71.

Q: The boxplot below shows salaries for CPAS and Actuaries in a town. CPA HO Actuary 30 40 50 60 70…

A:

Q: he investor plans to sell the bond econd coupon payment is receive

A: Par Value of Bond is $1000 Coupon rate is 7.5% Yield is 5% Time to maturity is 5 years Bond is sold…

Q: or plans to sell

A: Par Value of Bond is $1000 Coupon rate is 7.5% Yield is 5% Time to maturity is 5 years Bond is sold…

Q: Which of the following is a property of r, the coefficient of correlation?     a. r always lies…

A: Solution Given That Which of the following is a property of r, the coefficient of correlation?…

Q: Q1/ A- Represent the following data in a graph using the bar graph method. temperature [ today] 27…

A: The question is about graphical representation of data Given :

Q: 5%. The investor plans to sell the second coupon payment is

A: Par Value of Bond is $1000 Coupon rate is 7.5% Yield is 5% Time to maturity is 5 years Bond is sold…

Q: Find the sample size needed to estimate the mean age of movie patrons such that it can be said with…

A: Here, margin of error is 2 and population standard deviation is 19.2. We will use z-standard normal…

Q: A sample of 2500 patients were taken to assess a medical test.  40% of the sample had a positive…

A: Given that A sample of 2500 patients were taken to assess a medical test. 40% of the sample had a…

Q: A data set consisting of newborn baby weights is normally distributed (bell-shaped) with a mean of…

A: Obtain the value that the approximate 68% percentage of new born weights. The value that the…

Q: A lock consist of 4 dials. Where each dial has six letters. what is the probability of guessing the…

A: From the provided information, A lock consists of 4 dials, where each dial has six letters.