Describing Data Assignment

The number of questions that students answered incorrectly on the last quiz is shown in the dot plot below. Use the dot plot to complete the statements. The dot plot shows that ____ students answered 4 questions incorrectly on the quiz. The most frequent number of questions answered incorrectly was ___. The data distribution is

2 5 symmetrical

A math teacher wants to find out the average number of hours his students spend working on their math homework for his class each week. Which group would best represent a sample of the population? the first 30 students who enter the school building one morning 30 students selected from the lunchroom 30 students selected from his class rosters 30 students who stay after school for football practice

30 students selected from his class rosters

The average age of the children at a campout is shown in the box plot below. Which statement is true about the box plot? The youngest age is 7. It is skewed right. More of the children were close to 12 years old than 6 years old. Half of the children were between 6 and 9 years old

More of the children were close to 12 years old than 6 years old.

Anja collected data about the number of dogs 9th-grade students own. She created this histogram to represent the data and determined that it is skewed right. Which statement is true about Anja's claim? She is incorrect; the histogram is skewed to the left because more data is on the left side. She is incorrect; the histogram is skewed to the left because there is more data on the right side. She is incorrect; the histogram is symmetrical because the right side is equal to the left side. She is correct; the histogram is skewed to the right because there is less data on the right side.

She is correct; the histogram is skewed to the right because there is less data on the right side.

The ages of the people who came to a birthday party are shown below. Which statements must be true according to the histogram? Check all that apply. The data is qualitative. The data is skewed right. There were 31 people at the party. There were children at the party. The most common age of the attendees was 13 years old. The majority of the people at the party were less than 61 years old.

The data is skewed right. There were 31 people at the party. The majority of the people at the party were less than 61 years old.

Pete is conducting a survey to determine his customers' overall satisfaction about the quality of his company's products. He sends out surveys to the 5 customers who have purchased the largest number of items over the past year. Are his results likely to be representative of the population he is trying to analyze? Explain.

The sample is from the right population, his customers. However, because he is surveying such a small number of people and only asking his best customers (who are probably the most satisfied, or they would not buy so much from him), the results are going to be biased, most likely positive, and not representative of his entire customer base.

Which statements are correct about the two-way frequency table? Check all that apply. The survey represents quantitative data. There is a greater percentage of 10th graders who do not have a sibling than 9th graders who do not have a sibling. The total number of students in the poll who have a sibling is 116. Fifty-two 10th graders were polled. More 9th graders were polled than 10th graders.

There is a greater percentage of 10th graders who do not have a sibling than 9th graders who do not have a sibling. The total number of students in the poll who have a sibling is 116. More 9th graders were polled than 10th graders.

Use the drop-down menus to identify the method used to collect data for each scenario. While standing in front of the school, Jace recorded the number of students who walked, rode their bikes, took the bus, and were driven there. Noah researched statistics online about the percentage of babies born with brown eyes. Lara knew that she had a 25% chance of winning a contest, so she flipped two coins repeatedly to determine how many times two heads occurred

observational study published data simulation

Which surveys illustrate an example of qualitative data? Check all that apply. the time, in minutes, it took students to finish their exams the eye color of students involved in after-school activities the characteristics of different types of birds the scores on the last exam the weights of different books

the eye color of students involved in after-school activities the characteristics of different types of birds

Maria wants to take a survey to predict who will win the election for her town's mayor. Which samples are most likely to be biased? Check all that apply. the residents of every other house on her street the subscribers to a golf magazine the people at the computer store at the mall every 100th person from the town's phone registry every 10th person who walks down the main street in her town

the residents of every other house on her street the subscribers to a golf magazine the people at the computer store at the mall