# of Siblings Frequency Relative Frequency Cumulative Frequency 0 34 0.1545 34 1 58 0.2636 92 2 40 0.1818 132 3 45 0.2045 177 4 43 0.1955 220 What percent of the people have exactly two siblings?

Q: e -3.69

A: e-3.69=?

Q: A biologist is studying a new hybrid tomato. It is known that the seeds of this hybrid tomato have…

A: Utilizing Binomial distribution with parameters n=6 and p=0.7

Q: Suppose that a study of elementary school students reports that the mean age at which children begin…

A: given dataμ = 5.3 yearsσ = 0.7 yearsn = 31 σx¯ = ?

Q: Using ratios, compare the average life expectancy of the longest living and the shortest expected…

A: Two compare two quantities using ratio we put the concerned quantities in the fractions, the value…

Q: Q3: From the below Table, answer the following questions: NO Age Gender Salary 1001 20 1002 22 1003…

A: Given data: NO Age Gender Salary 1001 20 M 280 1002 22 F 300 1003 30 F 450 1004 25   310…

Q: c) When the median is closer to the third quartile, the distribution is skewed to----- a ma ma ma ma…

A: Q2 C) In a symmetric distribution, the mean, median, and mode are all equal. Skewed distributions…

Q: Suppose that a study of elementary school students reports that the mean age at which children begin…

A: given data normal distribution population mean (μ) = 5.3population sd (σ) = 0.7sample size (n) = 31

Q: A community college employs 87 ​full-time faculty members. To gain the​ faculty's opinions about an…

A: Given Information: A community college employs 87 ​full-time faculty members. They are numbered from…

Q: Question # 8: The assemply time for a product is uniformly distributed between 6 to 10 minutes.…

A: 8. Given Let X be the assembly time for a product which follows the uniform distribution between 6…

Q: Versions of the following completely-made-up story have been told elsewhere. Suppose there are…

A: It is interpreted that: The total number of persons on the bus N=9. The average income of the 9…

Q: Errors in medical prescriptions occur relatively frequently. In a study, two groups of doctors had…

A: Given data is   Error No Error Total Electronic 254 3594   Written 1478 2370   Total…

Q: wenty different statistics students are randomly selected. For each of them, their body temperature…

A: Given r=0

Q: 1. What is the class width of the frequency distribution if you are to use 7 classes? 2. Form the…

A: given data here frequencies are given we have to find out class width frequency table and outlier…

Q: If a variable has a distribution that is​ bell-shaped with mean 28 and standard deviation 7​, then…

A: Given,Mean(μ)=28standard deviation(σ)=7Empirical Rules:1) P(μ-σ<X<μ+σ)=68%2)…

Q: (A) Temperature as measured in degrees Fahrenheit is Ordinal (B) Temperature as measured in degrees…

A: The scale of measurement, in which the order or relative ranking of the variable is taken into…

Q: Weakly wages of a labour 100 200 400 500 600 No of weeks 5 8 21 12 6 total 52 calculate quartile…

A: Given data: Weekly Wages, X Number of weeks, f 100 5 200 8 400 21 500 12 600 6…

Q: Among fatal plane crashes that occurred during the past 50 ​years, 634 were due to pilot​ error, 95…

A: The question is about relative frequency distribution  Given : To find : 1 ) Construct relative…

Q: The weight of an organ in adult males has a​ bell-shaped distribution with a mean of 330 grams and a…

A: As per our guidelines we are supposed to answer only 3 subparts of any questions so i am solving…

Q: Here is the data to answer the questions this is for review (2) Make a frequency table to show the…

A: Note: As per guidelines we will only answer the first three subparts, please repost other subparts…

Q: A recent study of robberies for a certain geographic region showed an average of 1 robbery per 18717…

A: From the provided information, The study showed an average of 1 robbery per 18717 people. And there…

Q: ethod? Select all that apply

A: Sampling Methods: The sampling methods are classified into 2 types  Random Sampling or…

Q: डे Bata collected at an airport suggests that an exponential distribution with mean value 2.435…

A: Given: Mean λ = 2.435 hours. Formula Used: Exponential distribution: Exponential distribution is a…

Q: Read and Understand A look at the descriptive statistics for males and Females show that male scores…

A: Given Information: Males: Mean m=2.85 Standard deviation SD=0.4 Females: Mean m=2.3 Standard…

Q: Each of 15 refrigerators of a certain type has been returned to a distributor because of an audible,…

A: From given data we have : K=12 N=15 n=6

Q: The length of human pregnancies from conception to birth varies according to a distribution that is…

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

Q: Population wealth as categorized by socioeconomic status classes (low, medium, high SES) is best…

A: Defination  Ordinal data: Nominal data  measures qualitative data but it measure in ordered.

Q: Assume that IQ scores are normally distributed, with a mean of 100 points and a standard deviation…

A:

Q: Which of the following residual plots suggests that a linear model may not be applicable to the data…

A: The residuals (e) are calculated by taking difference between observed value and predicted value…

Q: please help me write the formula a little bit clearly and clear solution.

A: The sample size n is 10.

Q: Q 2 D please

A: Quantitative variable are numerical variable. It mostly used the single variable to make descriptive…

Q: The average repair cost of a microwave oven is $55, with a standard deviation of $8. The costs are…

A: For the distribution of the repair cost of microwaves, it is inferred that: mean (μ)=$55standard…

Q: Use your graphing utility’s linear regression option to obtain a model of the form y = ax + b that…

A: Given data:

Q: Given N1 = 10 , N2 = 14 find F -critical value

A: Given: N1 = 10 N2 = 14 Formula Used: Degree of freedom = N-1 To Find: F-critical value = ?

Q: Two different people, acting independently, had to pick a number between 1 and 11, inclusive. What…

A: given data 2 persons acting independently, pick a number between 1 and 11 inclusive p(they had…

Q: The error involved in making a certain measurement is a continuous rv X with the following cdf. 0…

A: As per our guidelines we are supposed to answer only 3 sub-parts of any questions so i am solving…

Q: Suppose we have average household income data from 58 counties in California. If we want to use a…

A: A Pareto chart is a bar graph. The lengths of the bars represent frequency and are arranged with the…

Q: =618-616.3752+660-616.3752+......+582-616.37528-1=30.56 Please show me in details

A: 618 660 638 625 571 598 639 582

Q: Let Y₁, Y2,..., Yn be a random sample from the inverse Gaussian distribution with probability…

A: Given density function, fy,μ,λ=λ2πy312e-λ2yμ-1y2 if y>0 a) Likelihood function: L=∏i=1nfy…

Q: Suppose we have average household income data. If we want to use a Pareto chart to represent the…

A: The categories in a Pareto chart are rearranged in a bar graph from the most frequent total…

Q: Ex/ I did following results. Oi 219 in the an + or not experiment and 2 3 420 231 89 f 4 LO 5 30 8…

A: Hint: To check whether observed data follows a particular distribution or not, the chi-squared test…

Q: You are playing a dice game with some friends. In order to win, you need to roll five threes in a…

A:

Q: What is the obtained value – does the critical value exceed the obtained value? What does this mean…

A: Concept: Critical value of t is seen in table at DF=n1+n2-2

Q: (a) The second and the third will receive a total of exactly 6 calls in half an hour  (b) The firm…

A: by bartleby policy i can gives only 4 subpart's answers   Poisson distribution is given by :…

Q: How much area is in both tails (combined)? How much area is in each tail?

A: Given frequency distribution X is the number of colors on a national flag.

Q: In order to determine the average weight of carry-on luggage by passengers in airplanes, a sample of…

A: From the provided information, Sample size (n) = 70 Population standard deviation (σ) = 5.25 Sample…

Q: The following are the ages of 13 physics teachers in a school district.  24, 28, 29, 41, 41, 43,…

A: Lower quartile(Q1)=(n+1)4th termUpper quartile(Q3)=3(n+1)4th termSample size(n)=13and the given data…

Q: In a study of handedness in occupations, 10 out of 118 psychiatrists were left-handed, 26 out of 148…

A: Given,10 out of 118 psychiatrists were left-handed26 out of 148 architects were left-handed5 out of…

Q: Three persons Α Β, and C are being considered for the appointment as Vice Chancellor of  Zambian…

A:

Q: Question 4 Listen The MAPE of the linear regression method is 2.47% 6.78% 9.17% 2.63% 1 Year 2 3 4 5…

A: For the given data we use Excel calculations for the MAPE of the linear regression method. To find…

Q: An online poll​ asked: "Do you believe the Loch Ness monster​ exists?" Among 22185 responses,…

A: As per our guidelines we are supposed to answer only 3 subparts of any questions so i am solving…