A large company wants to find out what team-building activity its employees prefer. Which of the following samples can give the most valid generalization?(1 point)
Responses
a group with one member from each department
a group with one member from each department
all employees who have worked in the company for 5 years or more
all employees who have worked in the company for 5 years or more
400 randomly chosen employees from the list of all employees
400 randomly chosen employees from the list of all employees
all 624 female employees in the company
Question
Use the image to answer the question.
Use the graph to determine the difference in the percentage of students who have dogs for pets and the percentage of students who have hamsters for pets. Round the percentages to the tenths place.
(1 point)
Responses
The difference in the percentage of students who have dogs for pets and the percentage of students who have hamsters for pets is 21.8%.
The difference in the percentage of students who have dogs for pets and the percentage of students who have hamsters for pets is 21.8%.
The difference in the percentage of students who have dogs for pets and the percentage of students who have hamsters for pets is 30.4%.
The difference in the percentage of students who have dogs for pets and the percentage of students who have hamsters for pets is 30.4%.
The difference in the percentage of students who have dogs for pets and the percentage of students who have hamsters for pets is 34.8%.
The difference in the percentage of students who have dogs for pets and the percentage of students who have hamsters for pets is 34.8%.
The difference in the percentage of students who have dogs for pets and the percentage of students who have hamsters for pets is 31%.
The difference in the percentage of students who have dogs for pets and the percentage of students who have hamsters for pets is 31%.
question
Use the image to answer the question.
The activity for one week of 168 people was tracked and displayed in a circle graph. What was the percentage of time spent on sleep? Round the percentage to the nearest whole number.
(1 point)
The percentage of time spent on sleep was %.
Question
A hotel maintenance crew wants to estimate how many of the 12,000 lamps in their 30-story hotel need a new light bulb. Which of the following is a random sample of lamps to be inspected?(1 point)
Responses
all lamps in booked rooms
all lamps in booked rooms
100 lamps on each floor chosen randomly
100 lamps on each floor chosen randomly
400 lamps on the first 10 floors
400 lamps on the first 10 floors
all lamps from the rooms with king-sized beds
Question
A local library manager randomly surveys 80 patrons about the type of book they borrow when they visit the library. The manager finds that 3 patrons borrow novels. If the local library has 345 patrons, approximately how many of them borrow novels when they visit the library? Round your answer to the nearest whole number.
Question
Use the table to answer the question.
Group A 18 20 46 34 58 31 41
Group B 15 21 32 42 29 57 39The table shows the times, in minutes, spent shopping by two different groups. First find the mean times each group spent shopping. Then determine the difference in the mean times. Round your answers to one decimal place.(2 points)
The mean time Group A spent shopping is __ minutes.
The mean time Group B spent shopping is __ minutes.
The mean times Group A and Group B spent shopping differ by __ minutes.
Question
Which data set has the highest median?(1 point)
Responses
{11, 15, 16, 8, 12, 14}
left brace 11 comma 15 comma 16 comma 8 comma 12 comma 14 right brace
{1, 10, 8, 29, 14, 17, 3}
left brace 1 comma 10 comma 8 comma 29 comma 14 comma 17 comma 3 right brace
{8, 20, 13, 14, 12, 9}
left brace 8 comma 20 comma 13 comma 14 comma 12 comma 9 right brace
{1, 6, 15, 7, 15, 18, 14}
Question
Theo, Ara, Jose, and Dana all got 100 percent on their latest math test. Their scores on the previous six tests are listed. Whose mean test score will increase the most? (1 point)
Responses
Jose: 91, 93, 97, 96, 96, 96
Jose: 91, 93, 97, 96, 96, 96
Ara: 100, 98, 99, 97, 100, 100
Ara: 100, 98, 99, 97, 100, 100
Dana: 68, 74, 83, 80, 81, 82
Dana: 68, 74, 83, 80, 81, 82
Theo: 84, 88, 81, 85, 77, 76
Question
The stem-and-leaf plot shows the speeds of the fastest steel roller coasters in Europe. The table shows the speeds of the fastest steel roller coasters in North America.
Speeds of the Fastest Steel Roller Coasters in Europe (in miles per hour)
Stem Leaf
7 4 5 5 5
8 0 0 3 4 8
9 9
11 1Key: 7|4=74 miles per hour
Speeds of the Fastest Steel Roller Coasters in North America (in miles per hour)
Canada 90 128 91
U.S. 93 120 100
Mexico 95 92 85
Find the range of the speeds of the fastest steel roller coasters on both continents.
The range of the speeds of the fastest steel roller coasters in Europe is __ mph. The range of the speeds of the fastest steel roller coasters in North America is __ mph.
Question
Anthony wants to know the average daily high temperatures in his town during the summer. He chose two random samples of 10 consecutive days and recorded the daily high temperatures. The daily high temperatures in Fahrenheit are as follows.
Sample 1: 78 82 85 87 90 85 79 86 91 88
Sample 2: 81 79 80 86 89 92 82 88 84 87
Find the mean daily high temperatures of each sample and calculate the difference between these mean daily high temperatures.
The mean daily high temperature of Sample 1 is__ °.
The mean daily high temperature of Sample 2 is __°.
The mean daily high temperatures of the two samples differ by __°
Question
These are the scores for two randomly selected lacrosse teams. Find the range of the number of goals scored by each team. Based on the range, which team has a more consistent number of goals scored?
Lacrosse Team 1: 6 0 4 17 3 12
Lacrosse Team 2: 23 14 22 14 17 22(2 points)
The range of the number of goals scored by Lacrosse Team 1 is __. The range of the number of goals scored by Lacrosse Team 2 is __. Based on the range, Lacrosse Team __ has a more consistent number of goals scored.