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Homework 8&9

Null Hypothesis: 6200

Alternative Hypothesis: 6200

Sample Mean: 5526.79

P-value: 0

We reject the null hypothesis.

For CEO: We reject the hypothesis because it is ___ less than was we originally thought.

Null Hypothesis: The attrition rate is 12%.

Alternative Hypothesis: The attrition rate is higher than 12%.

Sample proportion: 0.171

One-tail p-value: 0

Q3: We reject the hypothesis because the evidence shows that it is greater than 12%.

Null Hyp: Attrition is independent of departments.

Alt Hyp: Attrition rate is not dependent of departments

Q1: The department with the highest is Research and Development (97,984)

Q2: The degrees of freedom is 2 and the p-value is 0

Q3: We reject the null hypothesis because it is less than .05. This means that attrition is not dependent on departments.

CSV Reader
Missing Value
Numeric Outliers
Single sample t-test
Rule Engine
Single sample t-test
Crosstab

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Created by: estebansilva
Created at: 2026-02-26
On NodePit since: 2026-02-27
Last update: 2026-03-19
Created with KNIME version: v5.9.0

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