Research information

Statement of the problem

This study examines the morphological measurements of iris flowers and how the sepal and petal dimensions relate to one another.

Objectives

To describe the sepal_length, sepal_width, petal_length, and petal_width of the flowers.
To determine the relationship between petal_length and petal_width.
To determine the relationship between sepal_length and petal_length.
To determine the relationship between sepal_length and sepal_width.

Dataset

iris.csv150 rows × 5 cols

Column	Kind	Distinct
sepal_length	numeric	35
sepal_width	numeric	23
petal_length	numeric	43
petal_width	numeric	22
species	categorical	3

Feasibility & estimateFree

✓ Feasibledesign: correlational · via heuristic

Detected a correlational design with 5 analyzable variable(s) and 4 analytical question(s). Recommended 2 statistical test(s). Estimated cost: 35 credits.

Recommended analysis

To describe the sepal_length, sepal_width, petal_length, and petal_width of the flowers.

Descriptive Statistics(sepal_length, sepal_width, petal_length, petal_width)

To determine the relationship between petal_length and petal_width.

Pearson Correlation(petal_length, petal_width)

To determine the relationship between sepal_length and petal_length.

Pearson Correlation(sepal_length, petal_length)

To determine the relationship between sepal_length and sepal_width.

Pearson Correlation(sepal_length, sepal_width)

Dataset Complexity10

Statistical Tests4

AI Interpretation12

Visualizations4

Report Generation5

Total to run35 credits

Estimated runtime: ~40-80 seconds

ResultsComputed

4 tests35 credits

Descriptive Statistics (sepal_length, sepal_width, petal_length, petal_width)

n	max	min	std	mean	mode	range	median	variable	variance
150	7.900	4.300	0.828	5.843	5	3.600	5.800	sepal_length	0.686
150	4.400	2	0.436	3.057	3	2.400	3	sepal_width	0.190
150	6.900	1	1.765	3.758	1.400	5.900	4.350	petal_length	3.116
150	2.500	0.100	0.762	1.199	0.200	2.400	1.300	petal_width	0.581

Spearman Rank Correlation (petal_length, petal_width)

significant

r.938R².879N150p< .001

Spearman r0.938

large

The result is statistically significant (p = 0.0000 < 0.05).

Spearman Rank Correlation was used instead of the Pearson Correlation because the latter's assumption(s) were not met (Normality of petal_length (Shapiro-Wilk), Normality of petal_width (Shapiro-Wilk)).

Spearman Rank Correlation (sepal_length, petal_length)

significant

r.882R².778N150p< .001

Spearman r0.882

large

The result is statistically significant (p = 0.0000 < 0.05).

Spearman Rank Correlation was used instead of the Pearson Correlation because the latter's assumption(s) were not met (Normality of sepal_length (Shapiro-Wilk), Normality of petal_length (Shapiro-Wilk)).

Spearman Rank Correlation (sepal_length, sepal_width)

significant

r-.167R².028N150p.041

Spearman r-0.167

small

The result is statistically significant (p = 0.0414 < 0.05).

Spearman Rank Correlation was used instead of the Pearson Correlation because the latter's assumption(s) were not met (Normality of sepal_length (Shapiro-Wilk)).

Iris Flower Measurements

Publication-ready report

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