Perform the test in problem 8.143, and report a p-value (two-tailed). Assume that the underlying variances in

Question:

Perform the test in problem 8.143, and report a p-value (two-tailed). Assume that the underlying variances in Q1 and Q4 are the same?

Pediatrics

A study was conducted to assess the association between climate conditions in infancy and adult blood pressure and anthropometric measures (e.g., height, weight) [19]. There were 3964 British women born between 1919 and 1940 who were divided into quartiles (n = 991 per quartile) according to mean summer temperature (°C) in the first year of life. The data in Table 8.34 were presented.

Table 8.34: Mean adult height by mean summer temperature in the first year of life

Range of temperature (°C) Mean adult height (cm) Group Quartile 95% CI Q1 159.1 (158.8, 159.4) 991 159.0 (158.7, 159.3)

We will assume that the distribution of adult height within a quartile is normally distributed and that the sample sizes are large enough that the t distribution can be approximated by a normal distribution.

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...