Calculate the standard deviation of   2,3,3,3,9.

Q: why does doubling the recapture sample increase the standard deviation and why does doubling the…

A: Mark and Recapture are the methods used for estimating the population. The technique involves…

Q: lio! Jlgw) For the following data set {14.2, 126.9, 52.0, 8.5, 31.3, 14.6, 38.4, 71.0}, if log8…

A:

Q: A local non-profit group would like to estimate the proportion of residents of Okeechobee county who…

A:

Q: At the local fish hatchery we take a random sample of 21 trout from one of the holding pens.  The…

A:

Q: 9. The Wechler Adult Intelligence Scale (WAIS) is a common "IQ test" for adults. The distribution of…

A:

Q: - VI. Consider a binomial experiment with n = 6 trials where the probability of success on a single…

A: Given binomial experiment with n = 6 trials where the probability of success on a single trial is p…

Q: (b) Use the table from part (a) to find u- (the mean of the sampling distribution of the sample…

A:

Q: In 1993 the average expenditure of the employees on food anu was as follows : tenis In Cuttack In…

A:

Q: In practice, when comparing two means using small samples, when would you recommend assuming equal…

A: We have given statement  When comparing two means using small samples,

Q: An employee in Cuttack spends Rs. 750 pm. The cost of living index for 998 is 160. From the…

A:

Q: : 7-27. The following measures were computed from a problem in Statistics: Mode = 83, Arithmetic…

A:

Q: From the following data compute Laspeyre's Index number for 1998 : Price Quantity Items 1995 . 1998…

A: The given data is: The Laspeyre's price index for the year 1998 is to be calculated with respect to…

Q: The average percentage of cities in the US that have snow on Christmas Day is 35%. A recent sample…

A: From the provided information, The average percentage of cities in the US that have snow on…

Q: 7 blue, red 8 blue, green blue, blue

A: Given that  Slice Winning (in dollars) Red 5 Green 6 Blue 6

Q: a) The table below shows the probability distribution of the discrete random variable X. 2 4. 6…

A:

Q: Find the value of x.

A: We have given that the random variable X that is amount of sodium sulphate follows a normal…

Q: Two dice are rolled. What is the probability that the sum is 5 or 11? A. - с. 5 36 В. 36 D.

A: Note: According to Bartleby guidelines expert solve only one question and rest can be reposted.

Q: The state of Colorado has studied a large population of pregnant women applying for maternity leave.…

A:

Q: In a factory the labour force comprised of 70% male and 30% female E 20% of the male workers and 5%…

A:

Q: 2.2. Let Y1, Y2, ..., Y, denote independent and identically distributed random variables from a…

A:

Q: As a part of her evaluation of New Orleans city employees, the Mayor instructs you to audit the…

A:

Q: Q2. A large company buys thousands of light bulbs every year. The company is currently considering…

A: There are 3 independent samples which are 3 brands. We have to test whether the mean lifetime of…

Q: Calculate the covariance and correlation of coefficient for the above stock. d) Is the above stock…

A:

Q: * Po Which of the following values cannot be probabilities? 1, 1.39, /2, -0.56, 5/3, 0.05, 3/5, 0…

A: According to the given information in this question The probability always lies between 0 to 1 So…

Q: Omitting a variable from our model that has a causal effect on our dependent variable always leads…

A: Omitting a variable from our model that has a causal effect on our dependent variable always leads…

Q: The Sweet Encounter is a touring international candy festival. The festival's most popular product…

A: For the given data Population proportion =? Sample proportion =?

Q: According to the Center for Disease Control (CDC) during the 2018-2019 season the percent of…

A: Given that  p=45.3%=0.453 , n=500 , X=200 Level of significance=5%

Q: The data are: Subject Starting SBP Ending SBP 1 140 128 2 130 125 3 150 140 4 160 162 135 137 128…

A: Paired t test is used to test whether the mean difference between two groups is zero. That is ,…

Q: sample is selected from a population with µ = 50. After a treatment is administered to the 16…

A:

Q: A pair of standard dice are rolled. what is the probability of observing the following  A. the sum…

A:

Q: 1. Consider a normal distribution with mean u mean. Calculate 12. Let ī be the sample P(i > 36) for…

A:

Q: Suppose one would like to construct a 96% confidence interval for a sample mean when the population…

A:

Q: The number of shipwrecks in a year along a certain shipping route has a population distribution as…

A: By central limit theorem, The distribution of the sample mean is Normally distributed, if the sample…

Q: From the data given below find out the Index numbers for each of the years iven using (i) Mean, (ii)…

A:

Q: 4. In a survey of 80 students, 33 liked watching anime, 18 enjoyed watching both anime and kdrama,…

A: We create Venn diagram for the above situation.

Q: The President of the Farmers Association wants to know how the amount of fertilizer and the amount…

A: The independent variables are water and fertilizer. The dependent variable is growth. We have to…

Q: chemical manufacturer is concerned about the degree of impurity in the raw material shipments…

A: Given that ; Sample size (n) = 10 S = 2.36 At 95 % confidence interval  By using population variance…

Q: What percent of the students who had chores also had a curfew?

A:

Q: 3. The heart rate for a group of patients at a local hospital is normally distributed with a mean of…

A: Given that mu = 97,s.d=18

Q: What is the critical F statistic value at the .05 level of significance for the following: F (4,…

A: Obtain the critical value of F(4,70) at the 0.05 level of significance. The critical value of…

Q: You are given that • Deaths are uniformly distributed over each year of age. • Z is the p.v.r.v. of…

A: Given Deaths are uniformly distributed over each year of age Z is the p.v.r.v. of a mthly n-year…

Q: VNich of the following theorem states that, "If random samples of size n are drawn from a…

A: We have given that the statements about to the sampling distribution. Here, need to need the correct…

Q: Examine the Paasche's weighted aggregative method and the weighted price relative method in the…

A:

Q: The length of each of the following classes respectively is: Class A: [84.96 – 210.76] Class B: [8.5…

A: Introduction: Length:  The length of the class interval is the difference of the upper limit of the…

Q: Suppose that the mean cranial capacity for men is 1190 cc (cubic centimeters) and that the standard…

A: Empirical rule (68-95-99.7 rule): About 68% of data lies within the one standard deviation of the…

Q: 39.9% of consumers believe that cash will be obsolete in the next 20 years. Assume that 6 consumers…

A: Solution

Q: The data given below relate to the workers in an industrial town. Cost of living index for 1998 upon…

A:

Q: up. We are interested in the population proportion of drivers who claim they always buckle up. NOTE:…

A: Given: 440 drivers were surveyed. 330 claimed they always buckle up.

Q: Directions: In a contest for Singing, two judges gave their ratings to 6 contestants. Convert the…

A:

Q: 1.3. Find the estimated standard error of the proportion if, in the sample of machines, 36 machines…

A: Given that a paper company has about 50 paper mills, which have a total of 600 machines. From…