what proportion of people in relationships are dissatisfied?

Q: A group of school parents are asked how many children they have. Number of children Frequency 1 25 2…

A:

Q: In a large data set, the 49th percentile is 523 and the 71st percentile is 675.  About what…

A:

Q: A group of 100 students was surveyed about their interest in a new International Studies program.…

A: Relative Frequency Distribution:   It is the ratio of the specified class frequency to the total…

Q: In a study, you ask the subjects their gender. Is this data qualitative or quantitative?

A: Qualitative and quantitative data:Qualitative data:Qualitative variable categories each individual…

Q: Out of 200 people sampled, 28 said they prefer Coke over Pepsi. What is the point estimate for the…

A: From the given information, x=28n=200 Point estimate: p^=xn=28200=0.14

Q: What percent of students had an IQ of at least 120​?

A: From the given histogram, the frequency table can be observed as shown below:

Q: 13. If 27 out of 30 people passed a driving test, what percent failed?

A: Given Total people = 30 Passed people= 27 So ,failed people= 30-27 = 3

Q: In a moderately skewed frequency distribution mean is 50 and median is 53. If the coefficient of…

A:

Q: (a) Demonstrate how the four measures of central tendency can be compared to each other.

A: a) Measures of central tendency values give us an idea about the distribution in the central part of…

Q: Which data set has a median of 25?

A:

Q: What is the median of these restaurant ratings? 1 1 2 2 4 4 5

A: Median is the middle value of the series. Median for the odd discrete series is given by-…

Q: The median of a group of individuals’ BMIs whose BMIs are 20.47, 21.92, 23.32, 23.41, 25.7, and 30.1…

A: 20.47 21.92 23.32 23.41 25.7 30.1

Q: Here is a chart showing how many people are non-smokers, occasional smokers, and heavy smokers by…

A: Note:Hey there! Thank you for the question. Since you have posted two different questions together,…

Q: What is your conclusion (interpretation) from frequency distribution tables and graphs for the…

A: Answer: Given frequency distribution table This tables given that the range of students height's…

Q: Keiko asked 15 students how many courses they have taken so far at her college. Here is the list of…

A:

Q: What percentage of pets are Rabbits?

A:

Q: If a group of data 4,6,3,8,5,5,9,10, and 30 were gathered, which will be the best to represent the…

A: Median  will be the best to represent the average in this group of data.

Q: How to interpret scatterplots Positive, Negative, or little or No Relationship?

A:

Q: If a child psychologist wanted to determine if there is a relationship between gender of a child and…

A: Chi-square test of independence should be used here.

Q: The table below shows how many employees owned 0, 1, 2, or 3 cars in a company made up of 15…

A:

Q: The test scores for five students were 59, 60, 63, 76, and 87. How many points greater than the…

A: The mean is the average of all the values, or it is the sum of all the values divided by the number…

Q: The selling prices in thousands of dollars for homes located on Long Beach Island in New Jersey are…

A: Given: Data on selling prices for homes on four locations of Long Beach Island in New Jersey. The…

Q: People were surveyed about their age and their favorite way to travel for vacation. The results are…

A: Green bar graph is showing automobile travelling.which group has largest area will be treated as…

Q: A group of 100 students was surveyed about their interest in a new International studies program.…

A:

Q: The mean and median of a data set are always equal. O True O False

A: The mean and median are not always equal because it depends on the dat set.

Q: A survey asks: Which online services have you used in the last month: - Twitter Facebook - Have used…

A:

Q: How do I Identify the class with the​ greatest, and the class with the​ least, relative frequency?

A: The aim is to find the way to find the class with the greatest, and the class with the least,…

Q: What type of association is shown in the scatter plot?

A: We have to choose the correct option from the given scatter plot.

Q: Do the data indicate a difference in preference for the three entrance?

A:

Q: If there are six groups being compared, how many mean comparisons will there be?

A: Given there are six groups.Here, it is required to find the total number of comparisons.

Q: If a data set has 15 mean standard daviation 2 , percentage observation lie between 13 and 17

A: From the given information, Consider, X be the number of observation that has mean of 15 and…

Q: the average score for an entire population is an example of

A: Solution: Parameter: Parameters is fixed value  obtained from a all population or  whole population.…

Q: You want to compare the average number of books read by the US adults in 2001 with the average…

A: The given statement is 'to compare the average number of books read by the US adults in 2001 with…

Q: People were surveyed about their age and their favorite way to travel for vacation. The results are…

A: Given info: The given graph displays the age and people's favorite way to travel for vacation.

Q: Which is the line of best fit for the data shown in the table?

A:

Q: A high school has 44 players on the football team. The summary of the players' weights is given in…

A: Given, Max value =256 Min value =154 Median = 203 First Quartile = 166 pounds Third Quartile = 234…

Q: Here are the fuel efficiencies (in mpg) of 15 new cars. 49, 35, 17, 21, 27, 23, 45, 50, 39, 51, 41,…

A:

Q: If a data set has an even number of observations, the median

A: We have given that  If a data set has an even number of observations

Q: Suppose a statistics professor reports a final exam average

A: Empirical rules tell us about how much percentage of data falls within the intervals. According to…

Q: class YES NO Undecided freshman 48 21 11 sophomore 34 52 What proportion of those surveyed were…

A:

Q: The distribution of number of people per household is

A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per…

Q: A frequency table of grades has five classes​ (A, B,​ C, D,​ F) with frequencies of respectively…

A: The relative frequency of the five classes is obtained below:The formula for the relative frequency…

Q: Below is a table which shows the number of male and female who likes different types of car. Sport…

A: Find the number of total values for the four events in the table.    n(M) = the number of males = 60…

Q: What is the proportion of free apps available in the App store?

A: A survey of Android Apps bought in the App store, indicated that 50% were related to music, 30%…

Q: A statistics class is made up of 12 men and 18 women. What percentage of the class is​ male?

A: Given,no.of mens=12no.of womens=18total no.of peoples=30

Q: The lecturer wishes to compare the average scores for Business Statistics between the accounting…

A: Null Hypothesis: H0: There is no difference in the average score for Business Statistics between…

Q: In a certain company, every worker was given a $900 raise. How does this affect the median of the…

A: Given information- We have given that in a certain company, every worker was given a $900 raise. We…

Q: What proportion of the statistics students in this class are sophomores? 19 0.202 0.302 0.105

A:

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…