Then, the relative frequency of the class 22 – 34 is -

Q: What would be the relative frequency for the class 31 - 34? Express your answer to the three decimal…

A: From the given data, we can group it as follows: AgesFrequency19-221123-26427-30431-34735-382Total28…

Q: If there were drivers who drove 80 or 85 mph would the mean stay the same or get higher or lower?

A: The given frequency table is shown below: x f 85 2 80 3 75 15 70 20 65 50 60 45 55…

Q: Teresa surveyed 100 students about whether they like pop music or country musc. Out of the 100…

A:

Q: 3. Each of three friends flips a coin 36 times. Angel records "tails" 20 times. Michael records…

A: Given each of three friends flip a coin 36 times.

Q: If the following seven scores are ranked from smallest (#1) to largest, which rank should be…

A:

Q: If the Syracuse men's basketball team won 18 games and lost 10, and the Syracuse women's basketball…

A:

Q: Mrs. Bollo's second grade class of 30 students conducted a pet ownership surve Results of the survey…

A:

Q: Calculate the relative frequency of the class interval (40 – 50].

A: b) Relative frequency interval for the class 40-50 = Frequency/Total (N)  =  5/60 = 1/12  = 0.083…

Q: A garden contains 40 flowers, 30 of which are red. What is the frequency of red flowers? 0.25 1.0…

A: total no.of flowers=40no.of red flowers=30

Q: How did you come to the conclusion for the relative frequencies numbers being 0.5, 0.10, etc?

A:

Q: A Sample of 25 cities have been classified as high or low on their homicide rates and on the number…

A: The formula for chi-square is, χ2=∑fo-fe2fe In the formula fo is the observed frequency, fe is the…

Q: What is the relative frequency of the class 70.0 - 71.4?

A: The relative frequency is defined as Relative frequency = Frequency/Total

Q: All of the 48 students in the fifth grade class at Parker Elementary School voted for the favorite…

A: Basic operations like, addition, subtraction etc. can be used to find data. For example, if a team…

Q: If the following scores are ranked from smallest (#1) to largest (#9), what rank should be assigned…

A: Given that  The data are 1,1,1,1,1,3,6,6,9

Q: How would you plot the points for cumulative frequency on a ogive?

A:

Q: Teresa surveyed 100 students about whether they wanted to join the math club or the science club.…

A: Venn diagram

Q: The median of the following data in the frequency table is: * 6 11 14 2 7 f 15 1 6 7 4 O 7 O 11 O 14

A: From the provided information, The frequency table is as follow: x 6 11 14 2 7 f…

Q: What is the range of Joey’s first 14 quiz grades? What is the range of Joey’s quiz grades after his…

A: a) Range of first 14 quiz Lowest value=74 Highest value=98   Range=Highest value-Lowest Value…

Q: Which of the following statements best describe the association between percent of people age 25+…

A: Correlation matrix is given here. Correlation between percent of people age 25+ with BA degree and…

Q: Teresa surveyed 100 students about whether they like pop music or country music. Out of the 100…

A: Explanation of the answer is as follows

Q: The results of a survey of 150 students about whether they own an electronic tablet or a laptop are…

A:

Q: 170 people are asked how many siblings they have? # of Siblings Frequency Relative Frequency…

A: Given: Total number of people, n=170 # of siblings Frequency Relative Frequency Cumulative…

Q: A boxplot for a set of 40 scores is given below. How many scores are represented in the blue section…

A: How many scores are represented in the blue section of the boxplot total scores are 40

Q: If in a discrete data, 75% of the values are less than 30, then......?

A: we know that,  If Q1 is first quartile then we can say that 25% data points are below Q1. If Q2 is…

Q: Based on the histogram above, what is the frequency of the class containing the value 14

A:

Q: Mary ann,hazel,and analyn want to know what numbers can be assigned for the frequency of heads that…

A: Three coins are tossed :  When 3 coins are tossed, the possible outcomes are HHH, TTT, HTT, THT,…

Q: Answer the following questions (23-25) Q.23 The relative frequency for class number 3 equal to ():…

A: The relative frequency = frequency /total frequency

Q: researcher surveys a sample of n = 20 college students and asks each person to identify their…

A: Given Information:   n = 20 students

Q: A study was conducted to investigate a relationship between the colors of helmets worn by motorcycle…

A: When the given sample size is less than 30, then we use a small sample test in hypothesis testing.…

Q: The heights in feet above sea level of the major active volcanoes in Alaska are given here.…

A:

Q: What number is missing from the​ table?(find the missing frequency) Year in College Frequency…

A: Given What number is missing from the​ table?(find the missing frequency)   Year in College…

Q: Based on the information, what is the cumulative relative frequency for the 50.2% - 59.7% change in…

A: It is given that Cumulative frequency for class 50.2-59.7 is = 45 Total frequency = 50

Q: The cumulative frequency diagram shows information about the ages of employees in two companies.…

A: The range of a data is found by the difference between the largest value and the smallest value. IQR…

Q: Mr. White collected data from his eighth grade class on whether they prefer the zoo or the museum.…

A:

Q: The results of a survey of 150 students about whether they own an electronic tablet or a laptop are…

A:

Q: In a survey of 3063 adults aged 57 through 85 years, it was found that 80.8% of them used at least…

A: Number of adults surveyed, n = 3063 And proportion of them used at least one prescription…

Q: A Frequency table of grades has five classes (A, B, C, D, F) with frequencies of 4, 15, 16, 4 and 1…

A: It is an important part of statistics. It is widely used.

Q: From the following table, calculate the frequencies of the remaining classes : (А) %3D 50 (АВ) 3 30…

A:

Q: A coin is flipped 70 times and lands on tails 28 times. What is the relative frequency of the coin…

A: From the information, the coin is flipped 70 times and landing on tails 28 times.

Q: Referring to the table below, what is the frequency of the second class interval ?

A: The question is about frequency distribution Given :   To find : Frequency of second class interval

Q: B. The average exam score for 10 students in a statistics class was 85. One student dropped the…

A: Given When n=10, average exam score for 10 students in a statistics x̄=85  When one student dropped…

Q: State the range and mean of the following. 1 The heights of 11 ten-year-old boys 137 cm, 150 cm, 140…

A: Reviewing information, Given, n=11 X : Heights of ten year-old boys…

Q: the property custodian makes an inventory of the cabinets, chairs, tables, blackboards, and electric…

A: Descriptive statistics includes describing the data by collecting the data, calculating statistics…

Q: The following items represent the number of birds observed at a given feeder over the past several…

A: given that data points: 54, 16, 41, 25, 83, 45, 40, 46, 50, 35, 68, 28, 39

Q: In a survey of 1150 adult males, 805 said they use the Internet. In a survey of 1050females, 746…

A: From the provided information,

Q: The scores of five students in an English class following if x represents a score.

A: Given, Let x be the score x= 78, 80, 97, 91, 63

Q: A coin is flipped 70 times and lands on tails 28 times. What is the relative frequency of the coin…

A:

Q: If the following seven scores are ranked from smallest to largest, then what rank should be assigned…

A: Rank in Statistics: When data is ordered, numeric or ordinal values are replaced by their rank,…