Question

The accompanying table shows a sample of the driving distances (in yards) for two golfers. At $\alpha = 0.10$, can you conclude that the variances of the driving distances differ between the two golfers? Complete parts (a) through (e). Golfer 1 Golfer 2 233 241 230 232 252 249 258 226 276 278 254 272 233 243 250 252 266 268 263 270 (a) Identify the claim and state $H_0$ and $H_a$. Let $\sigma_1^2$ be the variance for golfer 1 and let $\sigma_2^2$ be the variance for golfer 2. Choose the correct answer below. A. $H_0: \sigma_1^2 = \sigma_2^2$ $H_a: \sigma_1^2 < \sigma_2^2$ (claim) C. $H_0: \sigma_1^2 = \sigma_2^2$ $H_a: \sigma_1^2 \ne \sigma_2^2$ (claim) (b) Calculate the test statistic. F = (Round to two decimal places as needed.) B. $H_0: \sigma_1^2 \le \sigma_2^2$ $H_a: \sigma_1^2 > \sigma_2^2$ (claim) D. $H_0: \sigma_1^2 \ne \sigma_2^2$ (claim) $H_a: \sigma_1^2 = \sigma_2^2$

          The accompanying table shows a sample of the driving distances (in
yards) for two golfers. At $\alpha = 0.10$, can you conclude that the variances
of the driving distances differ between the two golfers? Complete parts
(a) through (e).
Golfer 1
Golfer 2
233
241
230
232
252
249
258
226
276
278
254
272
233
243
250
252
266
268
263
270
(a) Identify the claim and state $H_0$ and $H_a$. Let $\sigma_1^2$ be the variance for golfer 1 and let $\sigma_2^2$ be the variance for golfer 2.
Choose the correct answer below.
A. $H_0: \sigma_1^2 = \sigma_2^2$
$H_a: \sigma_1^2 < \sigma_2^2$ (claim)
C. $H_0: \sigma_1^2 = \sigma_2^2$
$H_a: \sigma_1^2 \ne \sigma_2^2$ (claim)
(b) Calculate the test statistic.
F = 
(Round to two decimal places as needed.)
B. $H_0: \sigma_1^2 \le \sigma_2^2$
$H_a: \sigma_1^2 > \sigma_2^2$ (claim)
D. $H_0: \sigma_1^2 \ne \sigma_2^2$ (claim)
$H_a: \sigma_1^2 = \sigma_2^2$

The accompanying table shows a sample of the driving distances (in
yards) for two golfers. At α = 0.10, can you conclude that the variances
of the driving distances differ between the two golfers? Complete parts
(a) through (e).
Golfer 1
Golfer 2
233
241
230
232
252
249
258
226
276
278
254
272
233
243
250
252
266
268
263
270
(a) Identify the claim and state H0 and Ha. Let σ1^2 be the variance for golfer 1 and let σ2^2 be the variance for golfer 2.
Choose the correct answer below.
A. H0: σ1^2 = σ2^2
Ha: σ1^2 < σ2^2 (claim)
C. H0: σ1^2 = σ2^2
Ha: σ1^2 σ2^2 (claim)
(b) Calculate the test statistic.
F =
(Round to two decimal places as needed.)
B. H0: σ1^2 ≤σ2^2
Ha: σ1^2 > σ2^2 (claim)
D. H0: σ1^2 σ2^2 (claim)
Ha: σ1^2 = σ2^2

Added by Robin S.

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