oceanographer claims that the mean dive duration of a North Atlantic right whale is 11.3 minutes. A random sample of 32 dive durations has a mean of 12.3 minu da standard deviation of 2.2 minutes. At a= 0.05 is there enough evidence to reject the oceanographer's claim? Complete parts (a) through (d) below. Assume the pulation is normally distributed. )Identify the claim and state Ho and Ha 11.3 %3D # 11.3 Type integers or decimals. Do not round.) The claim is the null hypothesis. b) Use technology to find the P-value. Find the standardized test statistic, t. t= 2.57 (Round to two decimal places as needed.) Obtain the P-value. P= 0.015 (Round to three decimal places as needed.) (c) Decide whether to reject or fail to reject the null hypothesis. irootor thnn o

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Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.