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Identify the error in this code:

medium📝 Debug Q6 of 15
SciPy - Statistical Tests
Identify the error in this code:
from scipy.stats import ttest_1samp
sample = [2, 4, 6, 8]
t_stat, p_val = ttest_1samp(sample)
print(p_val)
Aprint statement syntax error
BMissing population mean argument in ttest_1samp
Ct_stat and p_val should be reversed
DSample should be a numpy array, not list
Step-by-Step Solution
Solution:
  1. Step 1: Check ttest_1samp function signature

    ttest_1samp requires sample and population mean as arguments.
  2. Step 2: Identify missing argument

    Code misses the population mean argument, causing error.
  3. Final Answer:

    Missing population mean argument in ttest_1samp -> Option B
  4. Quick Check:

    ttest_1samp needs population mean argument [OK]
Quick Trick: Always provide population mean to ttest_1samp [OK]
Common Mistakes:
MISTAKES
  • Forgetting required arguments
  • Thinking list type causes error
  • Swapping output variables

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