SAT Math: Problem Solving and Data Analysis
Which type of chart is most suitable for comparing the sales of different product categories in a single year?
A market research company wants to understand the change in customer satisfaction scores over the past five years. Which type of chart would be most appropriate to display this data?
A researcher collects data on the heights of students in a school but only surveys students on the basketball team. What type of bias is most likely to be present in this data collection?
A study claims that drinking a specific herbal tea significantly reduces anxiety, based on data collected from participants who volunteered to participate after seeing an advertisement for the tea. The study was funded by the tea company. Which of the following factors would most significantly challenge the validity of...
Which of the following best describes selection bias?
A researcher is conducting a survey on political opinions but only collects responses from individuals attending a political rally for a specific candidate. What type of bias is most likely to affect the results of this survey?
A study aims to determine the effect of a new teaching method on student test scores. However, students in the experimental group also have access to additional tutoring, while those in the control group do not. How might biases interact in this study?
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Which of the following actions can help minimize measurement errors during data collection?
Which sampling technique gives every member of the population an equal chance of being selected?
A researcher wants to survey students about their opinions on a new school policy. To ensure representation from each grade level, the researcher divides the student population into grade levels and then randomly selects students from each grade. Which sampling technique is being used?