In June, an investor purchased 300 shares of Oracle (an information technology company) stock at $41 per share. In August, she purchased an additional 400 shares at $39 per share. In November, she purchased an additional 400 shares at $45 per share. What is the weighted mean price per share?

Q: On the Bar Chart in Figure C1 above, which of the datasets (left, middle or right) has the highest…

A: Bar chart is given here. Error bars gives the information about how the data is spread around the…

Q: A sample of college students was asked how much they spent monthly on cell phone plans. Approximate…

A:

Q: Out of the numbers listed below, what number is in the 90th percentile? what percentile is 52,598?

A: From the given information, the total number of numbers in the given list is observed to be 15. Now…

Q: According to a yahoo!finance article dated September 7, 2021, the top vehicles for resale value had…

A: Solution - Given that the data of top vehicle resale as X : 60%     62%     64%    65%     66%…

Q: Below is a list of the salaries for the starting lineup of the local pro baseball team. Pitcher:…

A: We have to find the mean, mode, median.

Q: In June, an investor purchased 300 shares of Oracle (an information technology company) stock at $53…

A:

Q: Gorge  gets 83 or 82  as his grades on his three main subjects Constrict a  sampling distribtuon of…

A: Gorge  gets 83 or 82  as his grades on his three main subjects

Q: In June, an investor purchased 300 shares of Oracle (an information technology company) stock at $53…

A:

Q: Which method requires the use of the geometric mean? O Jefferson O Huntington-Hill Hamilton O…

A: Given problem Given that   Which method requires the use of the geometric mean ?

Q: What was the mean commissioned earned?

A: here denote x   =  sales representative Earning

Q: The smaller the spread of scores around the arithmetic mean....?

A: The standard deviation is a measure of dispersion. It measures the variability in the data. If the…

Q: Calculate (by hand) the mean, median and mode for the following distribution: 6, 8, 39, 36, 2, 36,…

A:

Q: Would you report "the mean" or "the median" or both in a research report for Attitude Toward…

A: Normal Population :    For a population distribution of Attitude Toward Internet Use following a…

Q: Find the 54th percentile, P54, from the following data

A: Given: Number of samples (n) =39 Formula: Note: If "L" is a whole number then the value of the…

Q: What is the z-score corresponding to the 74th percentile

A: Standard normal distribution: The standard normal distribution is a special case of normal…

Q: a. Which age group typically has the highest rate of obesity? b. Comment on any similarities and…

A: The bar plot has been provided to find out conclusion

Q: In a moderately skewed distribution, the value of Median is 42 and value of Mode is 40. Find the…

A: Given, x¯ =meanMo =mode=40Me = median =42

Q: what is the z score for the 44th percentile

A: Obtain the z score for the 44th percentile. The z score for the 44th percentile is obtained below as…

Q: Explain the term "deviation scores"?

A:

Q: he sale prices for homes in a certain city are as follows. What is the mean, median, mode? Which…

A: Given, Location Price 415 First Street 285000 957 Locust Street 440000 114B First  Street…

Q: A class of 5 students averaged 70% on a given test. A class of 9 students averaged 80% on the same…

A: Introduction: Suppose there are k groups numbered 1, 2, 3, …, k – 1, and k.

Q: If you were looking for the 50th percentile in a data set, which of the following should you not be…

A: Since we know that the mean is defined as  Mean = Sum of observation / number of observation And…

Q: What is the median for the dataset?

A: Here Dot-plot represents results from sample of 13 adults First we will represent the Data on number…

Q: which in the picture is an estimator for the population mean µ?

A:

Q: What is the mode and median in this data set?

A: Let X denote the number of own children in the household The given frequency distribution table is,…

Q: Explains the concept of bias, related to the mean, mode, and median.

A: Step 1: Statistical bias refers to the difference between the expected value and the true value of…

Q: Ten HR majors had an average grade of 94 on an exam. Fourteen business majors averaged 86, while six…

A: Given problem Given that   Ten HR majors had an average grade of 94 on an exam. Fourteen business…

Q: Is the sample mean always the most frequently occurring value? If so, explain why. If not, give an…

A: No, Sample Mean is not the most frequent Occuring Value.   Mean= Sum of Observations / No.of…

Q: In June, an investor purchased 3000 shares of Oracle (an information technology company) stock at…

A: Let, X be the share price of Oracle. X1=$53X2=$42X3=$45 Let, w be the number of shares.…

Q: A researcher used the sample median as a measure of center instead of the sample mean. What do you…

A: Three central tendencies are given as: Mean Median Mode We use these measures of central…

Q: Cebu Tech Corporation manufactures tablet screens. The following data give the numbers of tablet…

A: Given: 24, 32, 27, 23, 33, 33, 29, 25, 23, 36, 26, 26, 31, 20, 27, 33, 27, 23, 28, 29, 31, 35, 34,…

Q: the mean number of people who attended three basketball games was 8648, what was the total…

A:

Q: If the mean number of people who attended four basketball games is 7380​, what was the total…

A:

Q: After finding the mean, median, SD and CV, what can b

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

Q: Indicate whether the five number summary corresponds most likely to a distribution that is skewed to…

A: From the information, the five number summary is given below:Minimum is 100, Q1 is 110, median is…

Q: What was the median commute time?

A: Here we want to know What was the median commute time.

Q: Find 44th percentile, P44, from the following data

A: Given data, we need to arrange it in ascending order. P44=?

Q: If you were applying for a job and the boss said: “We have 7 employees and the average salary is…

A: From the given statement, the boss said that they have 7 employees and the average salary is…

Q: What well-being score represents the 45 percentile? *

A: It is given that the mean is 100 and the standard deviation is 20.

Q: Q5: b) For a dataset that has a symmetrical distribution, compare the mean and the median.

A: We have to compare the mean and median for the dataset that has a symmetrical distribution.

Q: In a sample of 20 men, the mean height was 178 cm. In a sample of 30 women, the mean height was 164…

A:

Q: 2. Adidas sold 120 running shoes for a regular price of P5,000. For summer sale the shoes were…

A: Given,The price of 120 running shoes=P5,000The price of 145 running shoes=P4500The price of 35…

Q: It is analogous to consider the sample mean as the center of the balance point of our data True…

A: It is known that mean is center of balance for the data. Also, the sample mean is a measure of…

Q: Part asked to find the sample correlation coefficient

A: Correlation: By correlation we mean the association or interdependence between two variables. If two…

Q: student receives the following grades, with an A worth 4 points, a B worth 3 points, a C worth 2…

A: The performance of a student in a test can be expressed in several ways, such as in grades or marks…

Q: In a moderately skewed distribution, the arithmetic mean is  10 units and the mode is  7 units, find…

A: Formula for Median If mean and mode are given  Median = ( Mode + 2 * Mean ) / 3

Q: Find the 36th percentile for this data.

A: Given  Data values :38,24,32,18,25  Then to find 36th percentile?

Q: The 77th percentile is O.

A: X~N(50 ,49)Let Q be the 77th percentile .P(X<Q) =0.77⇒P(X-507<Q-507) = 0.77⇒ϕ(Q-507)  =…

Q: What is the relative frequency of respondents who are in favor of the bill?

A: The relative frequency is the ratio of the number of favorable outcomes to the total number of…

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.