Be my Valentine: The following frequency distribution presents the amounts, in dollars, spent for Valentine's Day gifts in a survey of  120  U.S. adults in a recent year. Approximate the mean amount spent on Valentine's Day gifts to two decimal places. Amount Frequency 0 - 19.99 19 20.00 - 39.99 13 40.00 - 59.99 21 60.00 - 79.99 19 80.00 - 99.99 9 100.00 - 119.99 10 120.00 - 139.99 7 140.00 - 159.99 8 160.00 - 179.99 7 180.00 - 199.99 1 200.00 - 219.99 3 220.00 - 239.99 2 240.00 - 259.99 1

Q: Examine the frequency distribution. Commission Frequency last month $500-$749 8 $750-$999 12…

A:

Q: l plane crashes that occurred during the past 50 ​years, 494 were due to pilot​ error, 62 were due…

A: The given data is Cause Frequency Pilot error 494 Human error 62 Weather 240 Mechanical…

Q: The list below shows the ages (in years) of 7 people riding in a van to a math competition.…

A: From the provided information,The data values are as follow:ages 15 12 9 15 14 40 46Sample size (n)…

Q: Using 10 classes construct a frequency distribution.

A: Here given that final grades (in terms of percentages) from a class of 20 students. No of class = 10…

Q: A frequency table displaying professor Blount's last statistic test is shown. Find the best estimate…

A:

Q: What is the median? Answer as an INTEGER. If necessary, round to the nearest integer. If it is not…

A: To find the median, we need to determine which age corresponds to the 50th percentile. In this case,…

Q: Q1: The following numbers represent the students' scores in the statistics exam: It is required to…

A: Ascending the given data and evaluate the frequency,

Q: A mock CAASPP (California Assessment of Student Performance and Progress) exam w given to 1000 high…

A: The objective is to identify the five-number summary from the given cumulative frequency graph.

Q: The list below shows the ages (in years) of 8 people riding in a van to a math competition.…

A: Obtain the value of mean.   The value of mean is obtained below as follows:   Use EXCEL Procedure…

Q: The following data represents the age of 30 lottery winners.   23 27 29 30 31 33 33 34 41 43 43 43…

A:

Q: a. How many employees collect less than 3,000 miles? b. Convert the frequency distribution to a…

A: The given frequency distribution is:

Q: The table below represents a sample of salaries at a company. Use 7 classes to construct a frequency…

A: For the given data which represents the sample of salaries at a company. We are told to divide the…

Q: Internet Connections   The following pie chart shows the relative frequency distribution resulting…

A: The number of values corresponding to a class or observation is defined as the frequency of that…

Q: Construct a frequency distribution and a relative frequency histogram for the data set using five…

A: Obtain the frequency distribution table. The width of the class is determined below: From the…

Q: ages 11 12 13 13 12 14 15 10 39 Mean = years (Please round your answer to the nearest tenth.) Median…

A:

Q: A. Make a frequency table for the systolic blood pressure for all subjects. Use 70 -89 as your first…

A: Histogram A histogram is a way to represent the dataset graphically. It is used to summarize the…

Q: Complete the frequency distribution for the data.

A: The following data represents the age of 30 lottery winners.   21 25 26 35 35 39 39 42 43 47 49…

Q: The average price in USD of 20 items in the month of April 2020 at a general store is 10.5, 12. 5,…

A: Given : 1 10.5 2 12.5 3 14.1 4 12.4 5 14.4 6 12.2 7 13.5 8 12.2 9 17.9 10 15.8…

Q: Is there a most dangerous day of the week to drive? Search for “USA Car Accidents in 2011” in the…

A: b). It is given that the likelihood of a fatal traffic accident is actually the same for each day of…

Q: The following are the ages (in years) of all eight employees of a small company: 53 32 61 27 39 44…

A:

Q: The acccompanying data set lists the retirement ages for 24 doctors. Use the data to construct a…

A: Given data : 51,60,65,50,61,68,58,60,50,58,68,69,57,69,70,79,65,78,61,68,78,61,67,71

Q: The following data represents the age of 30 lottery winners. 24 28 28 33 35 36 39 41 42 45 45 45 46…

A:

Q: What is the mean? Answer as an INTEGER. If necessary, round to the nearest integer. If it is not…

A: Step 1: The formula for calculating the mean (average) of a grouped distribution is:…

Q: A graduating class reported starting salaries represented on the following frequency table.…

A: Solution Find the mean of starting salary   Number of students fi Starting salary Xi ($) fi*Xi…

Q: The list below shows the ages (in years) of 12 people riding in a van to a math competition.…

A:

Q: The following data represents the age of 30 lottery winners.   23 25 25 26 27 28 28 31 34 35 36 38…

A: We Know that Frequency distribution displays the number of observations within a given interval.

Q: What is the range? Answer as an INTEGER. If necessary, round to the nearest integer. If it is not…

A: The range in statistics for a given data set is the difference between the highest and lowest…

Q: Among fatal plane crashes that occurred during the past 60 years, 438 were due to pilot error, 95…

A: To complete the releative frequency distribution table.

Q: Listed below are the annual tuition amounts of the 10 most expensive colleges in a country for a…

A: given data, n=10 outcomes we have to find out the mean , midrange , median and mode for the given…

Q: The following marks were recorded on a test. 82 97 59 67 93 92 99 96 68 85 55 74 89 86 62 72 75 81…

A: Solution-: Given data: 82, 97, 59, 67, 93, 92, 99, 96, 68, 85, 55, 74, 89, 86 62, 72, 75,81, 79, 88…

Q: Among fatal plane crashes that occurred during the past 55 years, 303 were due to pilot error, 78…

A: According to the given information, we have Total number of observations = 799

Q: Use the cumulative frequency and grouped scores obtained by a college sophomare class on an English…

A:

Q: The following figures show the price of gold per ounce, in dollars, for a 10-business-day period.…

A:

Q: Jim Smith, a marketing student, observed how much each customer spent in a local convenience store.…

A: It is needed to determine the frequency distribution.

Q: The price-earnings ratios for 20 selected stocks are: 8.3 9.6 9.5 9.1 8.8 11.2 7.7 10.1 9.9 10.8…

A: Let the number of classes be k=5. Then,Width=Maximum value-Minimum valuek=11.6-7.75≃0.8

Q: The following data represents the age of 30 lottery winners. 23 28 30 34 37 38 40 40 41 44 46 47 47…

A: here data score is given data represent the age of 30 lottery winners.we have to complete the…

Q: 45. Find the mean of this frequency table. Price, p ($) Frequency, f 730 1 785 3 815 4 846 2 910 957…

A:

Q: The following data represents the age of 30 lottery winners.   21 26 27 28 29 29 34 36 37 38 41 41…

A: It is needed to determine the frequency distribution table of the ages of 30 lottery winners.