Crawling Data collected by child development scientistsproduced this confidence interval for the average age (inweeks) at which babies begin to crawl:t-Interval for m 29.202 6 m1age2 6 31.844 (95.00% Confidence):a) Explain carefully what the software output means.b) What is the margin of error for this interval?c) If the researcher had calculated a 90% confidenceinterval, would the margin of error be larger orsmaller? Explain.

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