A grouped frequency distribution should be used instead of a frequency distribution when the O distribution is bimodal. 2 distribution is skewed. 3 variable is continuous.

Q: A symmetric frequency distribution has identical mean, median and mode measures True O False

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Q: What is the distribution of X? X - N What is the median seedless watermelon weight? What is the…

A: According to our guidelines we are solving only first three sub-parts of a question and rest parts…

Q: e last answ

A: According to the sum, A sample of 13 small bags of the same brand of candles was selected. It is…

Q: The mean and variance of a binomial distribution are 6 and 3 respectively. Find the mode of the…

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Q: The time required for housekeeping to clean a hotel room for the next customer varies between 25 and…

A: Obtain the time that represents the 70th percentile of this distribution. The time that represents…

Q: What the different shapes of the distribution tell us about the measures of central tendency.

A: The measures of central tendency are mean, median and mode.

Q: If the Mean of a data set is 700 and the Variance is 49; Calculate the intervals used for the…

A: Given information, Mean of a data set = 700 Variance = 49 We have to calculate intervals using…

Q: If the industry has an average cash deposit of 2100, which bank is performing better? Which bank is…

A: For the provided data, the appropriate visual representation is the Line Graph. The distribution of…

Q: Which measure of center and measure of spread are most commonly used to describe the center and…

A: When the data is symmetrical, the best measure of center is mean and the best measure of spread is…

Q: For a binomial distribution, the mean is 6 and the standard deviation is 2. Write out all the terms…

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Q: Jesse is having a hard time understanding why when working with means, sometimes we use a Normal…

A: When t 0r normal distribution is used.

Q: A researcher wanted probability plot and boxplot indicate that the data are approximately normally…

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Q: Find the mean and standard deviation of the sampling distribution of x

A: Given that sample size is n = 36 Mean = 71 And SD = 24

Q: A symmetric frequency distribution has identical mean, median and mode measures True False

A: We have given that an statement about the symmetrical distribution.

Q: If for a distribution, Mean> Median > Mode, then the distribution is negatively skewed. O True False

A: In negatively skewed distribution, more values are concentrated on the right side of the graph and…

Q: When we standardize using​ Z-scores, the shape of the distribution changes.   True…

A: Changing the values in z-scores does not change the shape of distribution. Clearly if values are…

Q: Which of the following statement is TRUE about negatively skewed distribution? a. mean = median =…

A: We want to tell the relationship between mean , median and mode of negatively skewed distribution

Q: Find the mean deviation about mean of rectangular distribution,

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Q: What does a distribution represent?

A: A distribution nothing but function that represent the possible values for a variable and how often…

Q: What is Frequency Distribution?

A: Sometimes,tabular representation of a data set is very useful in viewing the characteristics of the…

Q: The mean of the distribution of grades for Exam 1 was 58 , while the median was 70. The distribution…

A: Given:  Mean of distribution =58 and  Median=70 then distribution is ? A. Left skewed   B. Right…

Q: When comparing two distribution, it’s okay to use different measures of spread as long as the…

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Q: Explain the meaning of the specified term. Distribution of a variable

A: Distribution: In general, the distribution of the data set gives the values of the observation and…

Q: Calculate the mean of the distribution. In

A: Here AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION  Here given discrete probability…

Q: How to estimate distribution

A: Steps to estimate a distribution1) Split the sample space into bins2) Count the no of samples that…

Q: DEFINE THE SAMPLING DISTRIBUTION OF THE SAMPLE MEAN FOR NORMAL POPULATION WHEN THE VARIANCE IS KNOWN…

A: Standard deviation is the measure of dispersion which used to measure the deviation of data from the…

Q: What are the steps for the Constructing Relative Frequency Distributions?

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Q: Suppose that insurance companies did a survey. They randomly surveyed 450 drivers and found that 310…

A: Number of drivers who claim that they always buckle up, x=310. Number of drivers who were surveyed,…

Q: When do we use a mean and SD to define a continuous variable distribution?

A: Given information: For a continuous variable distribution with specified mean and standard…

Q: A variable is approximately normally distributed. If you draw a histogram of the distribution of the…

A: Justification:A variable is approximately normally distributed.If the variable is approximately…

Q: Why shouldn't classes overlap when summarizing continuous data in a frequency or relative frequency…

A: Frequency distribution

Q: Which measure of central tendency better describes the weight of the candy? The mean weight is x =]…

A: The descriptive analysis is conducted using EXCEL. The software procedure is given below: Enter the…

Q: What is a skewed distribution?

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Q: Find the mean deviation of Poisson distribution.

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Q: Suppose that you are using independent samples to compare two population proportions. Fill in the…

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Q: G 3. For a moderately skewed distribution, Mean = 150, Mode 140, SD = 45. Find (i) Coefficient of…

A: Given Mean = 150Mode = 140standard deviation =45

Q: Transforming an entire distribution of scores into z-scores will not change the shape of the…

A: A z-value is simply the standardization of the raw values in terms of how many number of standard…

Q: What is left skewed distribution

A: Here we have to define What is left skewed distribution.

Q: The mean, median, and mode of a normal distribution are (Choose one) each other. standardized by…

A: For Normal distribution, mean, median and mode are coincide.

Q: the maximum value of a distribution is 47.5 and the minimum value is 4.0 what is the estimated…

A: Given : Lower limit,a = 4 Upper limit,b = 47.5

Q: We learned that there are 4 items by which we characterize a distribution in statistics. Which of…

A: Given : Four terms : a. Central tendency b. Homogeneity c. Skewness d. Kurtosis

Q: How is a frequency distribution chart incorrectly constructed?

A: Here let us understand how do we construct a freuency distribution and then we look into rules of…

Q: A uniform distribution has endpoints 4 and 18. What is the 90th percentile, reporting to one decimal…

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Q: Define the following statistical expressions Distribution – Parameter – statistical

A: Distribution- A distribution in statistics is a function that shows possible values of a variable…

Q: For a right skewed distribution, median = mode . True/false

A: In this case, we need to check whether the given statement is true or false.

Q: The distribution used for small sample size (n<30) changes based on the size of the sample. True…

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Q: Explain in brief about Weibull distribution.

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Q: Students at a school took a 35-point exam.  Below is a random sample of exam scores. 25        35…

A: Given data of sample scores25  35  22  19  25  31  21  27  10  22 a)Class width =6The range of data…