Statistics Test

Front

Inference from basketball teams' height data: 25% of team 1 is shorter than team 2, 75% of team 2 is taller than team 1, 50% of the teams are the exact same height, 25% of team 1 is the same height as 50% of team 2.

Back

25% of team 1 is the same height as 50% of team 2

Front

A hospital wants to conduct a survey to find out what patients think about the quality of medical services provided by its doctors and staff. Which of these would be the population in this survey? Options: the entire staff in the hospital, all of the patients in the cardiology wing of the hospital, all the doctors who treat patients in the hospital, all the patients in the entire hospital

Back

all the patients in the entire hospital

Front

A state representative took several random surveys of adults to find which place they visited most frequently. The average of all of the surveys is shown in this table. Options: On average, 50% of the adults visited the zoo most frequently. On average, 17% of the adults visited the park most frequently. On average, 2 out of 25 adults visited the aquarium most frequently. On average, 2 out of 10 adults visited the museum most frequently.

Back

On average, 2 out of 10 adults visited the museum most frequently.

Front

The number of bikes sold by a store over a period of two weeks is shown. Which statement CORRECTLY compares the two data sets? The range of Week 1 is equal to the range of Week 2. , The range of Week 2 is less than the range of Week 1. , The range of Week 1 is less than the range of Week 2. , There isn't enough information to calculate the range.

Back

The range of Week 2 is less than the range of Week 1.

Front

The heights of two groups of students in different grades are shown in the box-and-whisker plot. Which statement CORRECTLY compares the two data sets? Options: The maximum of Group A is greater than the maximum of Group B, The minimum of Group A is greater than the minimum of Group B, The median of Group B is greater than the median of Group A, The median of Group A is greater than the median of Group B.

Back

The median of Group B is greater than the median of Group A.

Front

Jerry surveyed 50 band students about attending summer camp. 22 planned to go. What is supported by the data? Options: It is possible to make a prediction based on Jerry's results since the proportion of the sample wanting to go to camp is very close to the the proportion of the sample that does not want to go to camp, It is not possible to make a prediction based on Jerry's results since the proportion of the sample wanting to go to camp is not equivalent to the proportion of the sample that does not want to go to camp., It is possible to make a prediction based on Jerry's results since his sample is representative of the population., It is not possible to make a prediction based on Jerry's results because the sample is not representative of the population.

Back

It is not possible to make a prediction based on Jerry's results because the sample is not representative of the population.

Front

The U.S. House of Representatives has 435 members. The data sets consist of random samples of their ages taken on 3 consecutive days. Data Set 1: 46, 52, 55, 82, 67, 52, 43, and 57. Data Set 2: 66, 53, 55, 47, 49, 41, 54, and 56. Data Set 3: 48, 61, 29, 46, 69, 39, 59, and 40. Which can be a conclusion based on the data?

Back

The outliers in some of the data sets will affect the mean.

Front

Who is MOST likely to come in last in the mayoral election in Shadyville?

Back

Meyer

Front

The table represents the scores of ten students in Ms. Williams’s class on a math and science test. Which statement correctly compares the two sets of data?

Back

The interquartile range of Math scores is greater than the interquartile range of Science scores.

Front

Which sampling method best represents the entire population of students in Maria's school for a survey on time spent listening to music? Options: Surveying every student with an M in their last name, Surveying all of the students in each of the Science classes, Surveying a random sample of all students in the Math classes, Surveying female students with R in their first name.

Back

Surveying every student with an M in their last name.