The numbers of hours worked (per week) by 400 statistics students are shown below. Number of hours 0-9 10-19 20-29 30-39 Select one: Frequency O a. is 80 O b. is 100 O C. is 180 Od. is 300 20 80 200 Refer to Exhibit 2-1. The number of students working 19 hours or less 100

Q: What is the class width? O A. the difference between the largest frequency and the smallest…

A: The “class width” is the distance between the lower limits of consecutive classes.

Q: test statistic. (ROL

A:

Q: The classrooms in the Psychology department are numbered from 100 to 108. A professor records the…

A: Frequency Polygon is a suitable diagrammatic mode of exhibiting the frequency distribution of a…

Q: John is in a running club made up of 34 members. They run a 15K race to prepare for the…

A: We know, in a given data set, if we arrange them in increasing order then difference between highest…

Q: Find the range for this list of numbers 49 56 30 93 58 72 80 74 28 84 77 9. 98 95 13 Range=

A: We have given tha data set is,  49, 30, 58, 80, 28, 77, 98, 13, 56, 93, 72, 74, 84, 9, 95 Then,  We…

Q: Categorical data can be graphed using  a. Frequency polygon b. Pie Chart c. Ogive d. Histogram

A: There are different data types. The categorical data is the data that is based on the…

Q: Jessica counts how many customers have come into her restaurant for the past 30 days.  The table…

A: frequency distribution

Q: III. A student in Statistics class was able to obtain the following score. Average Quiz =95 Mid-term…

A: Note that, student got 95,76,84 in three exams where each of the three exams have equal…

Q: 50 part-time students were asked how many courses they were taking this term. The (incomplete)…

A: Frequency is the number of times an observation occur in the data set and relative Frequency is the…

Q: A survey of adults employed full-time was taken. Here are their reported numbers of hours worked per…

A: Please like....

Q: Shown are the ages of the presidents at the times of their deaths.

A: A population is an entire group that you want to draw conclusions about. A sample is a specific…

Q: From the options below, select all the different types of bar chart that would be suitable to…

A: i first give the criteria of different bar chart and then depending our need we choose any one which…

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: Which of the following is a true statement comparing the water bills of the two neighborhoods? More…

A: Histogram : It represents the data using bars.

Q: 3. Explain the difference between patch A and patch B in the figure below. What does this difference…

A: This question is about the differences between Patch A and Patch B as seen from the overview below.…

Q: In the research situations below, describe whether the researcher is conducting an experiment or a…

A: The researcher wants to determine whether honeybees have a preference for flowers.So, the apiarist…

Q: and test for a difference. Pepperoni 320 Sausage 275 Cheese Total Observed 251 Expected

A: It is given that, Observed value of Pepperoni =320  Observed value of Sausage = 275 Observed value…

Q: Data sets A and B are dependent Find d.

A: Let d be the difference between two observations i.e d = A - B

Q: s NOT a difference between a bar graph and a hist Histograms use bars of equal widtl Histograms…

A: Histogram use bars of equal width.

Q: 6. Four car rental prices were quoted for a 3-day rental. The frequencies are listed. Let x…

A: Relative frequency = frequency /total frequency

Q: Use 5-point bins (95 to 99, 90 to 94, etc.) to make a frequency table for the set of exam scores…

A: Given data: 96,98,72,94,90,71,82,93,77,74,87,99,75,96,99,99,82,80,74,81

Q: The two data sets are dependent. Find d to the nearest tenth. A 56 59 55 63 51 27 25 21 25 22 41.0…

A:

Q: 50 part-time students were asked how many courses they were taking this term. The (incomplete)…

A: a. The frequency of a class or observation is the number of values corresponding to it.

Q: The mean number of people per day visiting an art show in July was 110. If 20 more people each day…

A:

Q: NI-WIN Unnsan0 17 poi The table shows the amount of time four students practiced the trumpet one…

A:

Q: Use the table to answer the question below.   Education level/Current Salary Range Below $50K…

A: Education level/Salary Range Below $50K Between 50K and 100K Above 100K Total 12 years…

Q: Which of the following options uses an ordinal level of measurement? O The speed of a cheetah is…

A: Ordinal  Ordinal data is a categorical statistical data type  It is distinguished from the nominal…

Q: 50 part-time students were asked how many courses they were taking this term. The (incomplete)…

A: Given,Total no.of students=50

Q: Now consider a bag of ten colorful marbles. You reach into the bag 100 times. Each time you pull out…

A: The likelihood number for the marbles based on the 100 draws is to be defined for the specified…

Q: In Mr. Smith's 20 person English literature class, the students earned the föllowing grades:…

A: make table and count individual number of grades

Q: Determine the number of classes in the frequency table below. O A. 2 Class Frequency В. 20 36 -37 С.…

A: Given,

Q: refer to the table: the precentage of student working 20 hours or more is:  A. 20% B. 25% C. 75%…

A: From the provided information, The total students = 400 The number of students working 20 hours of…

Q: What is the missing value for x on the diagram below? O14 12 X 5 8 4

A:

Q: The total blood cholesterol level was measured for each of 20 adults. Here are the 20 measurements…

A: a). The answer is Mode. Mode is the central tendency takes more than one value. Here mode is 176 and…

Q: 51 69 73 74 75 82 89 93 98 100 and the range. 68 69

A: Given Range =Highest value - lowest value

Q: 2. A group of adults where asked how many cars they had in their household a. Complete the frequency…

A: Consider the given equation: Here, the given data of cars they had in their household,

Q: Refer to the table : the number of students working 19 hours or less is: A. 80 B.180 C. 100

A: From given data, number of students working 19 hours or less is=?

Q: Determine the number of classes in the frequency table below. Class Frequency 29-30 31-32 33-34…

A: Class Frequency 29 - 30 7 31 - 32 2 33 - 34 6 35 - 36 4 37 - 38 1

Q: Imagine you have ten marbles that have the colors you guessed above. Suppose you pull out two…

A: As per the observational study, the number of marbles of each type are: Red=22, Yellow=9, Green=41…

Q: Direction: Encirle the Jetter of the correct answer. (Review) 1. What do you call the set of all…

A: Solution-: We find the correct choice for the given multiple choice questions.

Q: Q For the data given : 84 80 81 62 84 74 67 90 44 40 80 96 64 7174 4175 78 57 52 65 44 54 67 70 92…

A: Provided data is : 84 , 80 ,81 ,62 , 84 ,74, 67, 90 , 44 , 40 , 80 ,96 , 64 ,71 ,74 ,41, 75, 78 ,57…