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Suppose,in testing a hypothesis about a mean,the Z test statistic is computed to be 2.04.The null hypothesis should be rejected if the chosen level of significance is 0.01 and a two-tail test is used.
Mesozoic Era
A geological era occurring between 252 to 66 million years ago, known as the age of reptiles, including dinosaurs.
Cycads
Ancient group of seed plants with a palm-like appearance, found in tropical and subtropical regions.
Ferns
Non-flowering vascular plants that reproduce via spores and possess fronds, common in moist, shady environments.
Conifers
A group of gymnosperm plants characterized by seed-bearing cones and needle-like or scale-like leaves, including pines and spruces.
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