Data Analysis and Interpretation
Biology ⇒ Scientific Inquiry and Experimental Design in Biology
Data Analysis and Interpretation starts at 7 and continues till grade 12.
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See sample questions for grade 11
A biologist records the number of bacteria colonies on a petri dish every hour for 6 hours. What is the dependent variable in this experiment?
A data set has the following values: 3, 7, 7, 2, 9. What is the mode?
A data set has values: 5, 8, 12, 7, 8. What is the median?
A researcher finds a correlation coefficient of 0.95 between two variables. What does this indicate about the relationship between the variables?
A scientist collects the following data on seed germination: 12, 15, 14, 13, 16. Calculate the range.
A student records the following data for enzyme activity: 20, 22, 21, 23, 22. What is the mean enzyme activity?
Calculate the mean of the following data set: 4, 8, 6, 10, 2.
Describe one limitation of using only the mean to summarize a data set.
Describe one way to minimize bias in data collection during a biological experiment.
Describe the difference between qualitative and quantitative data in biological experiments.
Explain the difference between accuracy and precision in the context of biological measurements.
Explain why repeating an experiment multiple times is important in scientific inquiry.
If the data collected from an experiment does not support the hypothesis, what should a scientist do next?
What does a p-value less than 0.05 generally indicate in biological data analysis?
What is the main advantage of using a large sample size in biological experiments?
What is the main difference between descriptive and inferential statistics in biology?
What is the main purpose of using a control group in a biological experiment?
Why is it important to include error bars in a graph representing biological data?
